Frost Advisory
Ends in 2 h 16 min
When
Until 10 AM PDT Saturday.
Where
In Oregon, Tualatin Valley, Central Oregon Coast Range, and Central Oregon Coast Range Lowlands. In Washington, Cowlitz County Lowlands, North Clark County Lowlands, South Washington Cascade Foothills, and Willapa Hills.
Issued for this forecast zone · National Weather Service Portland OR
What, impacts and precautionsHide details
What
Temperatures of 33 to 36 degrees will result in frost formation.
Impacts
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Precautionary actions
Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures, or temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.
Areas: Clatsop County Coast; Tillamook County Coast; Central Coast of Oregon; Central Oregon Coast Range Lowlands; Central Oregon Coast Range; Lower Columbia River; Tualatin Valley; Inner Portland Metro; East Portland Metro; Outer Southeast Portland Metro; West Columbia River Gorge of Oregon above 500 ft; Clackamas County Cascade Foothills; Willapa Hills; Cowlitz County Lowlands; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; South Washington Cascade Foothills
See it on weather.gov (opens in a new tab)

Observed 7:20 AM PDT at KTTD

Boring, OR weather

Clear and 34°1°.

Mostly agree

Now 34°1°

Clear

Wind: Calm; Light through 7 PM
Dew point: 34°1°; Dry · up to 42°6° by 2 PM (comfortable)
Humidity: 100%; Air 34°1°, dew point 34°1° · frost likely
UV tomorrow: 3Moderate; Moderate 12–4 PM · peak 3
Air quality: 41Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.25 inHg1024 hPa; Falling slowly · −0.04 inHg−1.3 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

11°6° cooler than this time yesterday (46°8° then, 35°2° now)

Good hours for

Above 50°10° today by noon
High 61°16° today at 4 PM
Below 50°10° tonight after 9 PM
Rain tomorrow from 1 PM (70%, 1.4 in37 mm)

This morningUp to 49°9° by 11 AM · Partly cloudy
This afternoonUp to 61°16° by 4 PM · Mostly cloudy
TonightDown to 42°6° by 4 AM · Mostly cloudy
Tomorrow morningUp to 52°11° by 11 AM · rain chance 20% · Mostly cloudy
Tomorrow afternoonUp to 59°15° by 4 PM · Rain 1–6 PM (70%)
Tomorrow nightDown to 47°8° by 4 AM · Rain all night (70%)

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 7a	Mostly cloudy	36°2° (likely 34°1° to 38°3°)	36°2°	0%	2 mph3 km/h from ESE, gusts 3 mph5 km/h	94%	42%	0
Sat 8a	Mostly cloudy	37°3° (likely 34°1° to 38°3°)	37°3°	0%	2 mph3 km/h from E, gusts 3 mph5 km/h	93%	44%	0
Sat 9a	Cloudy	40°4° (likely 37°3° to 41°5°)	40°4°	0%	2 mph3 km/h from E, gusts 4 mph7 km/h	86%	42%	0
Sat 10a	Cloudy	45°7° (likely 43°6° to 47°8°)	45°7°	0%	1 mph2 km/h from NNE, gusts 4 mph6 km/h	76%	77%	1
Sat 11a	Cloudy	49°9° (likely 48°9° to 52°11°)	49°9°	0%	2 mph3 km/h from NNE, gusts 5 mph7 km/h	68%	79%	1
Sat 12p	Cloudy	53°12° (likely 52°11° to 56°13°)	53°12°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	62%	67%	2
Sat 1p	Partly sunny	57°14° (likely 53°12° to 58°14°)	57°14°	0%	2 mph3 km/h from N, gusts 4 mph7 km/h	56%	74%	2
Sat 2p	Cloudy	59°15° (likely 55°13° to 59°15°)	59°15°	0%	2 mph3 km/h from NNW, gusts 5 mph7 km/h	53%	82%	2
Sat 3p	Cloudy	59°15° (likely 56°13° to 61°16°)	59°15°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	51%	81%	2
Sat 4p	Cloudy	61°16° (likely 56°13° to 61°16°)	61°16°	0%	2 mph3 km/h from W, gusts 4 mph6 km/h	50%	81%	1
Sat 5p	Cloudy	59°15° (likely 54°12° to 59°15°)	59°15°	0%	2 mph3 km/h from W, gusts 3 mph5 km/h	53%	82%	1
Sat 6p	Cloudy	57°14° (likely 52°11° to 57°14°)	57°14°	0%	1 mph2 km/h from WSW, gusts 3 mph5 km/h	56%	82%	0
Sat 7p	Cloudy	55°13° (likely 49°9° to 55°13°)	55°13°	0%	2 mph3 km/h from S, gusts 3 mph4 km/h	62%	82%	0
Sat 8p	Cloudy	50°10° (likely 47°8° to 50°10°)	50°10°	0%	2 mph3 km/h from SE, gusts 3 mph4 km/h	68%	81%	0
Sat 9p	Cloudy	49°9° (likely 46°8° to 49°9°)	49°9°	0%	2 mph3 km/h from SSE, gusts 3 mph4 km/h	70%	81%	0
Sat 10p	Cloudy	48°9° (likely 45°7° to 48°9°)	48°9°	5%	2 mph3 km/h from S, gusts 3 mph4 km/h	73%	82%	0
Sat 11p	Cloudy	47°8° (likely 43°6° to 47°8°)	46°8°	5%	3 mph5 km/h from SSE, gusts 3 mph5 km/h	74%	81%	0
Sun 12a	Cloudy	46°8° (likely 43°6° to 47°8°)	45°7°	5%	3 mph5 km/h from SSE, gusts 4 mph6 km/h	74%	78%	0
Sun 1a	Cloudy	45°7° (likely 42°6° to 46°8°)	43°6°	5%	5 mph8 km/h from SSE, gusts 5 mph8 km/h	73%	75%	0
Sun 2a	Cloudy	45°7° (likely 42°6° to 45°7°)	43°6°	5%	5 mph8 km/h from SSE, gusts 6 mph9 km/h	72%	71%	0
Sun 3a	Cloudy	43°6° (likely 42°6° to 45°7°)	40°4°	0%	5 mph8 km/h from SSE, gusts 6 mph10 km/h	72%	70%	0
Sun 4a	Partly cloudy	42°6° (likely 42°6° to 45°7°)	39°4°	0%	5 mph8 km/h from SSE, gusts 6 mph9 km/h	72%	70%	0
Sun 5a	Cloudy	42°6° (likely 41°5° to 45°7°)	39°4°	10%, 0.02 in0.5 mm	5 mph8 km/h from SE, gusts 6 mph9 km/h	72%	69%	0
Sun 6a	Cloudy	41°5° (likely 40°4° to 45°7°)	38°3°	10%, 0.02 in0.5 mm	5 mph8 km/h from SE, gusts 6 mph10 km/h	75%	70%	0
Sun 7a	Mostly cloudy	42°6° (likely 39°4° to 44°7°)	39°4°	5%, 0.02 in0.5 mm	5 mph8 km/h from SE, gusts 5 mph9 km/h	75%	59%	0
Sun 8a	Mostly cloudy	42°6° (likely 39°4° to 44°7°)	40°4°	5%, 0.02 in0.5 mm	3 mph5 km/h from ESE, gusts 5 mph7 km/h	77%	59%	0
Sun 9a	Mostly cloudy	44°7° (likely 43°6° to 46°8°)	42°6°	5%, 0.02 in0.5 mm	3 mph5 km/h from ESE, gusts 6 mph10 km/h	75%	62%	0
Sun 10a	Rain	49°9° (likely 47°8° to 55°13°)	48°9°	20%, 0.02 in0.5 mm	3 mph5 km/h from ESE, gusts 6 mph9 km/h	70%	68%	1
Sun 11a	Cloudy	52°11° (likely 48°9° to 59°15°)	52°11°	5%, 0.17 in4.3 mm	2 mph3 km/h from N, gusts 10 mph15 km/h	66%	80%	2
Sun 12p	Cloudy	54°12° (likely 48°9° to 57°14°)	54°12°	10%, 0.17 in4.3 mm	2 mph3 km/h from N, gusts 14 mph23 km/h	66%	90%	3
Sun 1p	Rain	56°13° (likely 49°9° to 56°13°)	56°13°	30%, 0.17 in4.3 mm	2 mph3 km/h from N, gusts 14 mph23 km/h	66%	100%	3
Sun 2p	Rain	57°14° (likely 49°9° to 57°14°)	57°14°	50%, 0.17 in4.3 mm	3 mph5 km/h from E, gusts 12 mph19 km/h	67%	100%	3
Sun 3p	Rain	58°14° (likely 49°9° to 58°14°)	58°14°	60%, 0.17 in4.3 mm	3 mph5 km/h from E, gusts 13 mph21 km/h	67%	100%	3
Sun 4p	Rain	59°15° (likely 49°9° to 59°15°)	59°15°	70%, 0.17 in4.3 mm	3 mph5 km/h from E, gusts 14 mph22 km/h	67%	100%	2
Sun 5p	Rain	57°14° (likely 49°9° to 57°14°)	57°14°	60%, 0.06 in1.5 mm	3 mph5 km/h from SE, gusts 15 mph23 km/h	70%	100%	1
Sun 6p	Rain	56°13° (likely 49°9° to 56°13°)	56°13°	60%, 0.06 in1.5 mm	3 mph5 km/h from SE, gusts 11 mph18 km/h	70%	100%	0
Sun 7p	Rain	54°12° (likely 49°9° to 54°12°)	54°12°	60%, 0.06 in1.5 mm	3 mph5 km/h from SE, gusts 13 mph21 km/h	74%	100%	0
Sun 8p	Drizzle	51°11° (likely 49°9° to 51°11°)	51°11°	60%, 0.06 in1.5 mm	5 mph8 km/h from ESE, gusts 17 mph27 km/h	79%	99%	0
Sun 9p	Cloudy	51°11° (likely 49°9° to 51°11°)	51°11°	60%, 0.06 in1.5 mm	5 mph8 km/h from ESE, gusts 13 mph21 km/h	81%	93%	0
Sun 10p	Rain	50°10° (likely 48°9° to 50°10°)	48°9°	60%, 0.06 in1.5 mm	5 mph8 km/h from ESE, gusts 13 mph21 km/h	82%	73%	0
Sun 11p	Rain	50°10° (likely 46°8° to 50°10°)	47°8°	70%, 0.05 in1.3 mm	7 mph11 km/h from ESE, gusts 13 mph21 km/h	82%	70%	0
Mon 12a	Rain	49°9° (likely 45°7° to 49°9°)	46°8°	70%, 0.05 in1.3 mm	7 mph11 km/h from ESE, gusts 13 mph21 km/h	82%	76%	0
Mon 1a	Drizzle	49°9° (likely 44°7° to 49°9°)	46°8°	70%, 0.05 in1.3 mm	7 mph11 km/h from ESE, gusts 12 mph19 km/h	83%	91%	0
Mon 2a	Rain	48°9° (likely 44°7° to 48°9°)	45°7°	70%, 0.05 in1.3 mm	7 mph11 km/h from ESE, gusts 13 mph21 km/h	83%	94%	0
Mon 3a	Rain	48°9° (likely 45°7° to 49°9°)	45°7°	70%, 0.05 in1.3 mm	7 mph11 km/h from ESE, gusts 11 mph17 km/h	84%	95%	0
Mon 4a	Rain	47°8° (likely 45°7° to 49°9°)	44°7°	70%, 0.05 in1.3 mm	7 mph11 km/h from ESE, gusts 11 mph17 km/h	84%	99%	0
Mon 5a	Rain	47°8° (likely 46°8° to 49°9°)	44°7°	70%, 0.05 in1.3 mm	6 mph10 km/h from SE, gusts 11 mph17 km/h	85%	99%	0
Mon 6a	Rain	47°8° (likely 46°8° to 50°10°)	44°7°	70%, 0.05 in1.3 mm	6 mph10 km/h from SE, gusts 4 mph6 km/h	86%	99%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Mostly cloudy. High 61°16°, low 40°4°. Typical 61°16° / 45°7°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Cloudy, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 42°6°
  Dry
Official NWS forecast
Today: Partly sunny. High near 61, with temperatures falling to around 59 in the afternoon. North wind around 2 mph.
Tonight: Mostly cloudy. Low around 40, with temperatures rising to around 42 overnight. South southeast wind 1 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 61°16°).
High, likely
56°13°–61°16°
Low, likely
34°1°–40°4°
Typical high / low
61°16° / 45°7°
Wind
5 mph8 km/h, gusts 10 mph17 km/h
UV peak
3
Tomorrow, Oct 25. Rain. High 60°16°, low 45°7°. Typical 60°16° / 45°7°. Rain 0.55 in14 mm, 70% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly cloudy, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Rain, 59°15°
  70% chance · 0.91 in23 mm
3. Evening
  6 PM–midnight
  Rain, 51°11°
  70% chance · 0.35 in8.9 mm
4. Overnight
  midnight–6 AM
  Rain, 47°8°
  70% chance · 0.3 in7.6 mm
Official NWS forecast
Day: Rain likely after 10am. Mostly cloudy. High near 60, with temperatures falling to around 57 in the afternoon. East southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: Rain likely. Mostly cloudy, with a low around 45. Southeast wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–60°16°
Low, likely
39°4°–45°7°
Typical high / low
60°16° / 45°7°
Wind
11 mph18 km/h, gusts 25 mph41 km/h
UV peak
3
Monday, Oct 26. Rain. High 58°14°, low 44°7°. Typical 60°16° / 45°7°. Rain 0.57 in14 mm, 70% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 47°8°
  80% chance · 0.18 in4.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 55°13°
  80% chance · 0.17 in4.2 mm
3. Evening
  6 PM–midnight
  Showers, 50°10°
  60% chance · 0.11 in2.9 mm
4. Overnight
  midnight–6 AM
  Drizzle, 49°9°
  60% chance · 0.05 in1.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 58. South wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
53°12°–58°14°
Low, likely
44°7°–48°9°
Typical high / low
60°16° / 45°7°
Wind
9 mph15 km/h, gusts 21 mph34 km/h
UV peak
3
Tuesday, Oct 27. Rain. High 58°14°, low 42°6°. Typical 59°15° / 44°7°. Rain 0.36 in9.1 mm, 40% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Rain, 48°9°
  50% chance · 0.11 in2.9 mm
2. Afternoon
  noon–6 PM
  Drizzle, 52°11°
  60% chance · 0.12 in3 mm
3. Evening
  6 PM–midnight
  Drizzle, 48°9°
  50% chance · 0.06 in1.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 44°7°
  60% chance · 0.08 in2.1 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 58.
Night: A chance of rain. Mostly cloudy, with a low around 42.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
52°11°–58°14°
Low, likely
42°6°–48°9°
Typical high / low
59°15° / 44°7°
Wind
11 mph17 km/h, gusts 21 mph34 km/h
UV peak
1
Wednesday, Oct 28. Rain. High 58°14°, low 41°5°. Typical 59°15° / 44°7°. Rain 0.48 in12 mm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 45°7°
  70% chance · 0.12 in3.1 mm
2. Afternoon
  noon–6 PM
  Rain, 51°10°
  70% chance · 0.17 in4.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 46°8°
  70% chance · 0.1 in2.6 mm
4. Overnight
  midnight–6 AM
  Drizzle, 41°5°
  60% chance · 0.04 in1 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 58.
Night: Rain likely. Mostly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–58°14°
Low, likely
41°5°–44°7°
Typical high / low
59°15° / 44°7°
Wind
12 mph19 km/h, gusts 25 mph41 km/h
Thursday, Oct 29. Rain. High 57°14°, low 39°4°. Typical 59°15° / 44°7°. Rain 0.28 in7.1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 41°5°
  50% chance · 0.02 in0.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 52°11°
  50% chance · 0.09 in2.3 mm
3. Evening
  6 PM–midnight
  Drizzle, 44°7°
  40% chance · 0.08 in2.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 42°5°
  30% chance · 0.1 in2.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 57.
Night: A chance of rain. Mostly cloudy, with a low around 39.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
50°10°–57°14°
Low, likely
37°3°–42°6°
Typical high / low
59°15° / 44°7°
Wind
9 mph15 km/h, gusts 26 mph42 km/h
UV peak
3
Friday, Oct 30. Rain. High 58°14°, low 38°3°. Typical 58°14° / 44°7°. Rain 0.25 in6.4 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 42°6°
  30% chance · 0.05 in1.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 48°9°
  30% chance · 0.09 in2.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 43°6°
  30% chance · 0.03 in0.8 mm
4. Overnight
  midnight–6 AM
  Cloudy, 39°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain. Partly sunny, with a high near 58.
Night: A slight chance of rain before 11pm. Partly cloudy, with a low around 38.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
46°8°–58°14°
Low, likely
38°3°–41°5°
Typical high / low
58°14° / 44°7°
Wind
7 mph10 km/h, gusts 17 mph27 km/h
UV peak
1
Saturday, Oct 31. Cloudy. High 49°9°, low 36°2°. Typical 58°14° / 44°7°. Rain 0.08 in2 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 49°10°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 40°5°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 37°3°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
47°8°–53°12°
Low, likely
35°2°–38°3°
Typical high / low
58°14° / 44°7°
Wind
5 mph8 km/h, gusts 11 mph18 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 52°11°, low 36°2°. Typical 58°14° / 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 40°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
48°9°–58°14°
Low, likely
31°−1°–43°6°
Typical high / low
58°14° / 44°7°
Wind
6 mph9 km/h, gusts 16 mph25 km/h
UV peak
2
Monday, Nov 2. Cloudy. High 56°13°, low 40°4°. Typical 57°14° / 44°7°. Rain 0.11 in2.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  20% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Cloudy, 56°13°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
47°8°–69°21°
Low, likely
36°2°–42°6°
Typical high / low
57°14° / 44°7°
Wind
9 mph14 km/h, gusts 20 mph32 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 40°.
Tomorrow
68% chance of rain, high 60°, low 45°.
Monday
74% chance of rain, high 58°, low 44°.
Rest of week
Highs 49–58°; chance of precipitation on Wednesday, Thursday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (PQR) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Sandy River near Bull Run

6.3 mi

Below flood stage

Level: 7.5 ft
Flow: 266 cfs

Forecast peak 7.7 ft Thu 5 AM

Reading from Sat 5:45 AM · NWS gauge page

Johnson Creek near Sycamore

7.3 mi

Below flood stage

Level: 1.2 ft
Flow: 1 cfs

Forecast peak 1.5 ft Sun 11 PM

Reading from Sat 5:30 AM · NWS gauge page

Clackamas River near Estacada

9.1 mi

Below flood stage

Level: 10.7 ft
Flow: 613 cfs

Forecast peak 10.8 ft Thu 5 AM

Reading from Sat 5:45 AM · NWS gauge page

Clackamas River near Oregon City

11 mi

Below flood stage

Level: 22.9 ft
Flow: 711 cfs

Forecast peak 23.1 ft Mon 11 PM

Reading from Sat 5 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 68% less heating than a typical week.

This week 30Typical 92

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 17
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 2 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 34°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

PORTLAND TROUTDALE AP · official normals 1991–2020 · records 1948–2026

Oct 24, today vs a typical year

Today’s expected high is about typical for the date.

Last 7 days vs normal

On average 1°0° warmer than normal (daily mean temperature).

−3°−2°SunOct 18
+2°+1°MonOct 19
+3°+2°TueOct 20
+7°+4°WedOct 21
+1°±0°ThuOct 22
−4°−2°FriOct 23
—SatOct 24

Boring weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 30 min; Losing 2 min 58 s a day; shortest Dec 21, 1 h 48 min less
Golden hour: 5:27–6:27 PM; Morning 7:19–8:19 AM
Blue hour: 6:27–6:38 PM; Morning 7:07–7:19 AM; first light 7:07 AM

Stars tonight? Poor

Clouds most of the night (about 75% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:55 AM · rises 5:09 PM
Full moon: Oct 25
New moon: Nov 8

Looking east from Boring. The highest point on the skyline is about 12,100 ft, 68 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

1 active weather alert

Frost Advisory

Boring, OR weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Sandy River near Bull Run

Johnson Creek near Sycamore

Clackamas River near Estacada

Clackamas River near Oregon City

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Poor

Moon