Frost Advisory
Ends in 2 h 43 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 6:40 AM PDT at KVUO

Hazel Dell, WA weather

Foggy and 39°4°.

Mostly agree

Now 39°4°

Fog

Wind: Calm; Light through 7 PM
Visibility (notable): 0.2 mi0.3 km; Dense fog
Dew point: 39°4°; Comfortable
Humidity: 100%; Air 39°4°, dew point 39°4° · fog or dew likely
UV tomorrow: 3Moderate; Moderate 1–4 PM · peak 3
Air quality: 51Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.27 inHg1025 hPa; Falling slowly · −0.03 inHg−1.2 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

8°5° cooler than this time yesterday (48°9° then, 40°4° now)

Good hours for

Dry until tomorrow 5 AM
Fog until 10 AM
Above 50°10° today by noon
Below 50°10° tonight after 9 PM
Rain tomorrow from 5 AM (80%, 2.5 in62 mm)

This morningUp to 47°8° by 11 AM · Mostly cloudy
This afternoonUp to 61°16° by 4 PM · Mostly cloudy
TonightDown to 42°6° by 3 AM · Rain 5–6 AM (30%)
Tomorrow morningUp to 50°10° by 11 AM · Rain all morning (50%)
Tomorrow afternoonUp to 58°14° by 4 PM · Rain all afternoon (80%)
Tomorrow nightDown to 46°8° by 5 AM · Rain all night (80%)

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	Fog	37°3° (likely 35°2° to 39°4°)	37°3°	0%	1 mph2 km/h from N, gusts 3 mph5 km/h	100%	74%	0
Sat 8a	Fog	37°3° (likely 35°2° to 40°4°)	37°3°	0%	1 mph2 km/h from NNW, gusts 3 mph6 km/h	100%	86%	0
Sat 9a	Fog	39°4° (likely 38°3° to 41°5°)	39°4°	0%	1 mph2 km/h from NNW, gusts 3 mph4 km/h	100%	89%	0
Sat 10a	Cloudy	43°6° (likely 42°6° to 44°7°)	43°6°	0%	1 mph2 km/h from NW, gusts 2 mph3 km/h	99%	88%	1
Sat 11a	Cloudy	47°8° (likely 45°7° to 49°9°)	47°8°	0%	1 mph2 km/h from NW, gusts 2 mph4 km/h	89%	82%	1
Sat 12p	Cloudy	51°11° (likely 48°9° to 52°11°)	51°11°	0%	1 mph2 km/h from WNW, gusts 6 mph10 km/h	76%	81%	2
Sat 1p	Cloudy	56°13° (likely 51°11° to 56°13°)	56°13°	0%	1 mph2 km/h from W, gusts 6 mph10 km/h	66%	81%	2
Sat 2p	Cloudy	59°15° (likely 54°12° to 59°15°)	59°15°	0%	1 mph2 km/h from W, gusts 5 mph9 km/h	58%	82%	2
Sat 3p	Cloudy	60°16° (likely 55°13° to 60°16°)	60°16°	0%	1 mph2 km/h from WSW, gusts 4 mph7 km/h	53%	81%	1
Sat 4p	Cloudy	61°16° (likely 55°13° to 61°16°)	61°16°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	51%	81%	1
Sat 5p	Cloudy	59°15° (likely 54°12° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 5 mph8 km/h	54%	81%	1
Sat 6p	Cloudy	57°14° (likely 52°11° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 5 mph7 km/h	58%	83%	0
Sat 7p	Cloudy	55°13° (likely 50°10° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 6 mph9 km/h	67%	82%	0
Sat 8p	Cloudy	51°11° (likely 49°9° to 52°11°)	51°11°	0%	0 mph0 km/h, gusts 6 mph9 km/h	72%	81%	0
Sat 9p	Cloudy	49°9° (likely 48°9° to 51°11°)	49°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	77%	79%	0
Sat 10p	Cloudy	48°9° (likely 47°8° to 49°9°)	48°9°	5%	0 mph0 km/h, gusts 5 mph8 km/h	80%	78%	0
Sat 11p	Cloudy	46°8° (likely 46°8° to 48°9°)	46°8°	5%	0 mph0 km/h, gusts 6 mph10 km/h	81%	77%	0
Sun 12a	Cloudy	45°7° (likely 45°7° to 48°9°)	45°7°	5%	1 mph2 km/h from ESE, gusts 7 mph12 km/h	84%	77%	0
Sun 1a	Cloudy	45°7° (likely 44°7° to 48°9°)	45°7°	5%	2 mph3 km/h from SSE, gusts 8 mph14 km/h	83%	75%	0
Sun 2a	Cloudy	44°7° (likely 44°7° to 47°8°)	42°6°	5%	3 mph5 km/h from SSE, gusts 9 mph15 km/h	83%	76%	0
Sun 3a	Cloudy	42°6° (likely 42°6° to 46°8°)	40°4°	5%	3 mph5 km/h from SSE, gusts 10 mph17 km/h	84%	74%	0
Sun 4a	Cloudy	42°6° (likely 42°6° to 45°7°)	40°4°	5%	3 mph5 km/h from SSE, gusts 10 mph17 km/h	84%	78%	0
Sun 5a	Cloudy	42°6° (likely 42°6° to 45°7°)	40°4°	30%, 0.06 in1.5 mm	3 mph5 km/h from SSE, gusts 10 mph15 km/h	83%	76%	0
Sun 6a	Rain	41°5° (likely 41°5° to 45°7°)	39°4°	50%, 0.06 in1.5 mm	3 mph5 km/h from SSE, gusts 10 mph17 km/h	84%	65%	0
Sun 7a	Rain	41°5° (likely 41°5° to 45°7°)	39°4°	20%, 0.06 in1.5 mm	3 mph5 km/h from SSE, gusts 10 mph17 km/h	86%	74%	0
Sun 8a	Cloudy	41°5° (likely 41°5° to 46°8°)	39°4°	30%, 0.06 in1.5 mm	3 mph5 km/h from SSE, gusts 11 mph18 km/h	88%	91%	0
Sun 9a	Rain	43°6° (likely 43°6° to 48°9°)	41°5°	30%, 0.06 in1.5 mm	3 mph5 km/h from SSE, gusts 10 mph16 km/h	89%	98%	0
Sun 10a	Rain	46°8° (likely 46°8° to 49°9°)	45°7°	40%, 0.06 in1.5 mm	3 mph5 km/h from SSE, gusts 10 mph16 km/h	89%	96%	1
Sun 11a	Rain	50°10° (likely 47°8° to 50°10°)	49°9°	30%, 0.22 in5.6 mm	3 mph5 km/h from SE, gusts 11 mph18 km/h	84%	100%	2
Sun 12p	Rain	52°11° (likely 46°8° to 52°11°)	52°11°	50%, 0.22 in5.6 mm	3 mph5 km/h from SE, gusts 11 mph18 km/h	78%	100%	2
Sun 1p	Rain	55°13° (likely 47°8° to 55°13°)	55°13°	60%, 0.22 in5.6 mm	3 mph5 km/h from SE, gusts 13 mph21 km/h	74%	100%	3
Sun 2p	Rain	57°14° (likely 48°9° to 57°14°)	57°14°	70%, 0.22 in5.6 mm	5 mph8 km/h from SE, gusts 15 mph24 km/h	71%	100%	3
Sun 3p	Rain	57°14° (likely 48°9° to 57°14°)	57°14°	80%, 0.22 in5.6 mm	5 mph8 km/h from SE, gusts 14 mph22 km/h	69%	98%	3
Sun 4p	Rain	58°14° (likely 49°9° to 58°14°)	58°14°	70%, 0.22 in5.6 mm	5 mph8 km/h from SE, gusts 14 mph22 km/h	70%	95%	2
Sun 5p	Rain	57°14° (likely 49°9° to 57°14°)	57°14°	70%, 0.06 in1.5 mm	5 mph8 km/h from SE, gusts 15 mph24 km/h	73%	91%	1
Sun 6p	Rain	56°13° (likely 49°9° to 56°13°)	56°13°	70%, 0.06 in1.5 mm	5 mph8 km/h from SE, gusts 13 mph21 km/h	74%	92%	0
Sun 7p	Drizzle	54°12° (likely 49°9° to 54°12°)	54°12°	70%, 0.06 in1.5 mm	5 mph8 km/h from SE, gusts 14 mph23 km/h	79%	90%	0
Sun 8p	Rain	52°11° (likely 49°9° to 52°11°)	52°11°	70%, 0.06 in1.5 mm	5 mph8 km/h from SE, gusts 14 mph23 km/h	84%	84%	0
Sun 9p	Rain	51°11° (likely 49°9° to 51°11°)	51°11°	70%, 0.06 in1.5 mm	5 mph8 km/h from SE, gusts 16 mph26 km/h	86%	84%	0
Sun 10p	Drizzle	51°11° (likely 49°9° to 51°11°)	51°11°	70%, 0.06 in1.5 mm	5 mph8 km/h from SE, gusts 15 mph24 km/h	86%	77%	0
Sun 11p	Drizzle	50°10° (likely 48°9° to 50°10°)	48°9°	80%, 0.06 in1.5 mm	6 mph10 km/h from SE, gusts 14 mph22 km/h	86%	87%	0
Mon 12a	Drizzle	49°9° (likely 47°8° to 50°10°)	47°8°	80%, 0.06 in1.5 mm	6 mph10 km/h from SE, gusts 15 mph23 km/h	86%	80%	0
Mon 1a	Rain	49°9° (likely 46°8° to 50°10°)	47°8°	80%, 0.06 in1.5 mm	6 mph10 km/h from SE, gusts 13 mph21 km/h	86%	86%	0
Mon 2a	Rain	48°9° (likely 47°8° to 51°11°)	44°7°	80%, 0.06 in1.5 mm	8 mph13 km/h from SE, gusts 14 mph22 km/h	86%	100%	0
Mon 3a	Rain	47°8° (likely 47°8° to 51°11°)	43°6°	80%, 0.06 in1.5 mm	8 mph13 km/h from SE, gusts 13 mph20 km/h	86%	100%	0
Mon 4a	Rain	47°8° (likely 47°8° to 51°11°)	43°6°	80%, 0.06 in1.5 mm	8 mph13 km/h from SE, gusts 12 mph19 km/h	87%	100%	0
Mon 5a	Rain	46°8° (likely 46°8° to 51°11°)	42°6°	80%, 0.03 in0.8 mm	7 mph11 km/h from SE, gusts 11 mph18 km/h	88%	99%	0
Mon 6a	Rain	46°8° (likely 46°8° to 51°11°)	42°6°	80%, 0.03 in0.8 mm	7 mph11 km/h from SE, gusts 5 mph8 km/h	90%	99%	0

Days ahead

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

Today, Oct 24. Fog. High 61°16°, low 40°4°. Typical 59°15° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 42°6°
  30% chance · 0.06 in1.5 mm
Official NWS forecast
Today: Patchy fog before 11am. Partly sunny. High near 61, with temperatures falling to around 59 in the afternoon. West northwest wind around 1 mph.
Tonight: A chance of rain after 5am. Mostly cloudy. Low around 40, with temperatures rising to around 42 overnight. Southeast wind 0 to 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–61°16°
Low, likely
35°2°–40°4°
Typical high / low
59°15° / 46°8°
Wind
6 mph9 km/h
UV peak
3
Tomorrow, Oct 25. Rain. High 59°15°, low 44°7°. Typical 59°15° / 46°8°. Rain 0.73 in19 mm, 80% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 41°5°
  50% chance · 0.52 in13 mm
2. Afternoon
  noon–6 PM
  Rain, 58°14°
  80% chance · 1.2 in29 mm
3. Evening
  6 PM–midnight
  Rain, 52°11°
  80% chance · 0.36 in9.1 mm
4. Overnight
  midnight–6 AM
  Rain, 46°8°
  80% chance · 0.33 in8.4 mm
Official NWS forecast
Day: Rain. Mostly cloudy. High near 59, with temperatures falling to around 57 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Night: Rain. Mostly cloudy, with a low around 44. Southeast wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
50°10°–59°15°
Low, likely
43°6°–44°7°
Typical high / low
59°15° / 46°8°
Wind
11 mph18 km/h, gusts 24 mph38 km/h
UV peak
3
Monday, Oct 26. Rain. High 59°15°, low 43°6°. Typical 59°15° / 45°7°. Rain 0.36 in9.1 mm, 80% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 48°9°
  80% chance · 0.09 in2.2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 57°14°
  70% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Drizzle, 52°11°
  60% chance · 0.04 in1.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 49°9°
  50% chance · 0.03 in0.9 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain. Mostly cloudy, with a high near 59. South southeast wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Night: Rain likely before midnight, then a chance of rain and patchy fog. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
54°12°–60°16°
Low, likely
43°6°–50°10°
Typical high / low
59°15° / 45°7°
Wind
11 mph17 km/h, gusts 23 mph36 km/h
UV peak
3
Tuesday, Oct 27. Rain. High 60°16°, low 41°5°. Typical 58°14° / 45°7°. Rain 0.19 in4.8 mm, 30% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 48°9°
  40% chance · 0.04 in1.1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 55°13°
  40% chance · 0.03 in0.7 mm
3. Evening
  6 PM–midnight
  Drizzle, 50°10°
  40% chance · 0.05 in1.2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 47°8°
  50% chance · 0.17 in4.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 60.
Night: A chance of rain. Mostly cloudy, with a low around 41.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
54°12°–60°16°
Low, likely
41°5°–48°9°
Typical high / low
58°14° / 45°7°
Wind
9 mph14 km/h, gusts 19 mph31 km/h
UV peak
3
Wednesday, Oct 28. Rain. High 59°15°, low 40°4°. Typical 58°14° / 45°7°. Rain 0.39 in9.9 mm, 50% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Drizzle, 46°8°
  60% chance · 0.08 in1.9 mm
2. Afternoon
  noon–6 PM
  Drizzle, 52°11°
  70% chance · 0.09 in2.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 46°8°
  70% chance · 0.03 in0.7 mm
4. Overnight
  midnight–6 AM
  Drizzle, 44°7°
  50% chance · 0.04 in0.9 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly cloudy, with a high near 59.
Night: A chance of rain. Mostly cloudy, with a low around 40.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
51°11°–59°15°
Low, likely
40°4°–46°8°
Typical high / low
58°14° / 45°7°
Wind
10 mph17 km/h, gusts 24 mph38 km/h
UV peak
1
Thursday, Oct 29. Rain. High 58°14°, low 38°3°. Typical 58°14° / 45°7°. Rain 0.39 in9.9 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 44°6°
  40% chance · 0.11 in2.9 mm
2. Afternoon
  noon–6 PM
  Drizzle, 51°11°
  50% chance · 0.16 in4 mm
3. Evening
  6 PM–midnight
  Drizzle, 48°9°
  40% chance · 0.09 in2.3 mm
4. Overnight
  midnight–6 AM
  Drizzle, 44°7°
  30% chance · 0.12 in3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 58.
Night: A chance of rain. Mostly cloudy, with a low around 38.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
48°9°–58°14°
Low, likely
38°3°–44°7°
Typical high / low
58°14° / 45°7°
Wind
10 mph15 km/h, gusts 22 mph36 km/h
UV peak
3
Friday, Oct 30. Rain. High 59°15°, low 38°3°. Typical 57°14° / 45°7°. Rain 0.27 in6.9 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 44°7°
  20% chance · 0.04 in1 mm
2. Afternoon
  noon–6 PM
  Drizzle, 50°10°
  20% chance · 0.13 in3.2 mm
3. Evening
  6 PM–midnight
  Partly cloudy, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 41°5°
  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 59.
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°–59°15°
Low, likely
38°3°–43°6°
Typical high / low
57°14° / 45°7°
Wind
7 mph12 km/h, gusts 18 mph29 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 50°10°, low 39°4°. Typical 57°14° / 44°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 50°10°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 40°4°
  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
48°9°–54°12°
Low, likely
37°3°–40°4°
Typical high / low
57°14° / 44°7°
Wind
5 mph8 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 52°11°, low 39°4°. Typical 57°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
  Cloudy, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  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
49°9°–59°15°
Low, likely
33°1°–47°8°
Typical high / low
57°14° / 44°7°
Wind
6 mph9 km/h
UV peak
2
Monday, Nov 2. Cloudy. High 55°13°, low 43°6°. Typical 56°13° / 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 56°13°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 49°9°
  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
49°9°–64°18°
Low, likely
40°4°–44°7°
Typical high / low
56°13° / 44°7°
Wind
6 mph9 km/h, gusts 13 mph22 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 40°.
Tomorrow
76% chance of rain, high 59°, low 44°.
Monday
76% chance of rain, high 59°, low 43°.
Rest of week
Highs 50–60°; 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

Columbia River at Vancouver

4.1 mi

Below flood stage

Level: 3.0 ft

Forecast peak 5.2 ft Wed 7 PM

Reading from Sat 6:06 AM · NWS gauge page

Willamette River at Portland

11 mi

Below flood stage

Level: 3.2 ft

Forecast peak 5.7 ft Wed 7 PM

Reading from Sat 6:05 AM · NWS gauge page

Columbia River at St. Helens

14 mi

Below flood stage

Level: 2.7 ft

Forecast peak 5.5 ft Wed 6 PM

Reading from Sat 6:06 AM · NWS gauge page

Johnson Creek near Sycamore

16 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

For your home

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

Heating this week

About 67% less heating than a typical week.

This week 31Typical 93

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 20
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 8 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 39°F).

Open the windows?

Today, 3:00 PM–4:00 PM

Good stretch to open the windows.

Is this typical?

Portland Kgw-Tv · official normals 1991–2020 · records 1874–2026

Oct 24, today vs a typical year

Today’s expected high is 2°1° warmer than typical.

Last 7 days vs normal

On average 3°2° warmer than normal (daily mean temperature).

+1°±0°SunOct 18
+3°+2°MonOct 19
+7°+4°TueOct 20
+6°+3°WedOct 21
+4°+2°ThuOct 22
±0°FriOct 23
—SatOct 24

Hazel Dell weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 30 min; Losing 3 min 3 s a day; shortest Dec 21, 1 h 49 min less
Golden hour: 5:27–6:28 PM; Morning 7:20–8:21 AM
Blue hour: 6:28–6:39 PM; Morning 7:09–7:20 AM; first light 7:09 AM

Stars tonight? Poor

Clouds most of the night (about 77% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:56 AM · rises 5:10 PM
Full moon: Oct 25
New moon: Nov 8

Looking northeast from Hazel Dell. The highest point on the skyline is about 14,400 ft, 91 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

Hazel Dell, WA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Columbia River at Vancouver

Willamette River at Portland

Columbia River at St. Helens

Johnson Creek near Sycamore

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