Frost Advisory
Ends in 9 h 19 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 12:10 AM PDT at KUAO

Lake Oswego, OR weather

Clear and 39°4°.

Mostly agree

Now 39°4°

Clear

Wind: Calm; Light through 12 PM
Dew point: 37°3°; Comfortable
Humidity: 93%; Air 39°4°, dew point 37°3° · fog or dew likely
UV index: 0Low; Moderate 1–3 PM · peak 3
Air quality: 37Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.32 inHg1027 hPa; Falling slowly · −0.02 inHg−0.8 hPa next 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

4°2° cooler than this time yesterday (44°7° then, 40°4° now)

Good hours for

Low 38°3° today at 7 AM
Fog today 8–10 AM
Above 50°10° today by noon
High 61°16° today at 4 PM
Rain tomorrow from 5 AM (80%, 1.9 in49 mm)

TonightDown to 40°4° by 4 AM · Partly cloudy
This morningUp to 48°9° by 11 AM · Mostly cloudy
This afternoonUp to 61°16° by 4 PM · Mostly cloudy
TonightDown to 43°6° by 3 AM · Rain 5–6 AM (20%)
Tomorrow morningUp to 51°11° by 11 AM · Rain all morning (40%)
Tomorrow afternoonUp to 60°16° by 4 PM · Rain all afternoon (80%)
Tomorrow nightDown to 52°11° by 10 PM · 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 12a	Mostly clear	45°7° (likely 42°6° to 46°8°)	45°7°	0%	0 mph0 km/h, gusts 3 mph4 km/h	82%	15%	0
Sat 1a	Partly cloudy	43°6° (likely 41°5° to 45°7°)	43°6°	0%	0 mph0 km/h, gusts 4 mph6 km/h	86%	35%	0
Sat 2a	Partly cloudy	42°6° (likely 40°4° to 43°6°)	42°6°	0%	0 mph0 km/h, gusts 5 mph7 km/h	88%	68%	0
Sat 3a	Partly cloudy	41°5° (likely 40°4° to 42°6°)	41°5°	0%	0 mph0 km/h, gusts 5 mph8 km/h	91%	67%	0
Sat 4a	Partly cloudy	40°4° (likely 39°4° to 42°6°)	40°4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	93%	58%	0
Sat 5a	Partly cloudy	40°4° (likely 38°3° to 41°5°)	40°4°	0%	0 mph0 km/h, gusts 4 mph7 km/h	94%	70%	0
Sat 6a	Cloudy	40°4° (likely 37°3° to 41°5°)	40°4°	0%	0 mph0 km/h, gusts 4 mph6 km/h	94%	73%	0
Sat 7a	Cloudy	38°3° (likely 37°3° to 41°5°)	38°3°	0%	0 mph0 km/h, gusts 4 mph6 km/h	94%	80%	0
Sat 8a	Fog	39°4° (likely 38°3° to 41°5°)	39°4°	0%	1 mph2 km/h from NNE, gusts 5 mph8 km/h	97%	87%	0
Sat 9a	Fog	40°4° (likely 40°4° to 43°6°)	40°4°	0%	1 mph2 km/h from NNE, gusts 3 mph4 km/h	97%	88%	0
Sat 10a	Cloudy	44°7° (likely 44°7° to 47°8°)	44°7°	0%	1 mph2 km/h from NNE, gusts 5 mph8 km/h	93%	82%	1
Sat 11a	Cloudy	48°9° (likely 47°8° to 52°11°)	48°9°	0%	1 mph2 km/h from NNE, gusts 6 mph9 km/h	84%	80%	2
Sat 12p	Cloudy	52°11° (likely 50°10° to 55°13°)	52°11°	0%	1 mph2 km/h from NE, gusts 5 mph8 km/h	73%	78%	2
Sat 1p	Cloudy	56°13° (likely 54°12° to 58°14°)	56°13°	0%	1 mph2 km/h from NNE, gusts 4 mph6 km/h	63%	81%	3
Sat 2p	Cloudy	59°15° (likely 56°13° to 60°16°)	59°15°	0%	1 mph2 km/h from E, gusts 3 mph6 km/h	57%	82%	3
Sat 3p	Cloudy	60°16° (likely 57°14° to 62°17°)	60°16°	0%	1 mph2 km/h from ESE, gusts 3 mph4 km/h	51%	81%	2
Sat 4p	Cloudy	61°16° (likely 57°14° to 62°17°)	61°16°	0%	1 mph2 km/h from SE, gusts 2 mph4 km/h	50%	82%	2
Sat 5p	Cloudy	60°16° (likely 56°13° to 63°17°)	60°16°	0%	1 mph2 km/h from S, gusts 2 mph4 km/h	53%	82%	1
Sat 6p	Cloudy	57°14° (likely 54°12° to 58°14°)	57°14°	0%	0 mph0 km/h, gusts 3 mph5 km/h	57%	83%	0
Sat 7p	Cloudy	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	62%	84%	0
Sat 8p	Cloudy	51°11° (likely 49°9° to 54°12°)	51°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	65%	82%	0
Sat 9p	Cloudy	50°10° (likely 48°9° to 53°12°)	50°10°	0%	0 mph0 km/h, gusts 4 mph6 km/h	69%	82%	0
Sat 10p	Cloudy	48°9° (likely 47°8° to 51°11°)	48°9°	5%	0 mph0 km/h, gusts 4 mph6 km/h	71%	82%	0
Sat 11p	Cloudy	47°8° (likely 46°8° to 50°10°)	47°8°	5%	0 mph0 km/h, gusts 5 mph7 km/h	73%	81%	0
Sun 12a	Cloudy	46°8° (likely 45°7° to 47°8°)	46°8°	5%	0 mph0 km/h, gusts 6 mph9 km/h	76%	77%	0
Sun 1a	Cloudy	45°7° (likely 44°7° to 46°8°)	45°7°	5%	0 mph0 km/h, gusts 7 mph12 km/h	78%	73%	0
Sun 2a	Cloudy	45°7° (likely 44°7° to 45°7°)	45°7°	5%	0 mph0 km/h, gusts 7 mph12 km/h	79%	70%	0
Sun 3a	Mostly cloudy	43°6° (likely 43°6° to 45°7°)	43°6°	5%	1 mph2 km/h from SSE, gusts 8 mph13 km/h	80%	61%	0
Sun 4a	Partly cloudy	43°6° (likely 42°6° to 44°7°)	43°6°	5%	1 mph2 km/h from S, gusts 9 mph14 km/h	81%	73%	0
Sun 5a	Cloudy	43°6° (likely 42°6° to 44°7°)	43°6°	20%, 0.04 in1 mm	1 mph2 km/h from S, gusts 7 mph12 km/h	80%	76%	0
Sun 6a	Cloudy	42°6° (likely 41°5° to 45°7°)	42°6°	40%, 0.04 in1 mm	1 mph2 km/h from S, gusts 6 mph10 km/h	80%	75%	0
Sun 7a	Cloudy	43°6° (likely 41°5° to 46°8°)	43°6°	20%, 0.04 in1 mm	1 mph2 km/h from S, gusts 7 mph10 km/h	80%	79%	0
Sun 8a	Cloudy	43°6° (likely 40°4° to 47°8°)	43°6°	30%, 0.04 in1 mm	2 mph3 km/h from S, gusts 7 mph12 km/h	82%	78%	0
Sun 9a	Rain	44°7° (likely 44°7° to 48°9°)	44°7°	30%, 0.04 in1 mm	2 mph3 km/h from S, gusts 9 mph14 km/h	84%	83%	0
Sun 10a	Rain	48°9° (likely 48°9° to 52°11°)	48°9°	40%, 0.04 in1 mm	2 mph3 km/h from S, gusts 13 mph21 km/h	83%	82%	1
Sun 11a	Rain	51°11° (likely 49°9° to 56°13°)	51°11°	30%, 0.21 in5.3 mm	2 mph3 km/h from S, gusts 15 mph25 km/h	79%	100%	2
Sun 12p	Rain	54°12° (likely 50°10° to 59°15°)	54°12°	40%, 0.21 in5.3 mm	2 mph3 km/h from S, gusts 16 mph26 km/h	75%	100%	3
Sun 1p	Rain	57°14° (likely 49°9° to 60°16°)	57°14°	60%, 0.21 in5.3 mm	2 mph3 km/h from S, gusts 16 mph25 km/h	73%	74%	3
Sun 2p	Rain	58°14° (likely 50°10° to 60°16°)	58°14°	70%, 0.21 in5.3 mm	3 mph5 km/h from SE, gusts 13 mph22 km/h	72%	100%	3
Sun 3p	Rain	59°15° (likely 50°10° to 59°15°)	59°15°	80%, 0.21 in5.3 mm	3 mph5 km/h from SE, gusts 12 mph19 km/h	70%	100%	2
Sun 4p	Rain	60°16° (likely 51°11° to 60°16°)	60°16°	70%, 0.21 in5.3 mm	3 mph5 km/h from SE, gusts 11 mph18 km/h	71%	95%	2
Sun 5p	Rain	58°14° (likely 51°11° to 58°14°)	58°14°	60%, 0.06 in1.5 mm	3 mph5 km/h from SE, gusts 13 mph20 km/h	76%	94%	1
Sun 6p	Rain	57°14° (likely 51°11° to 58°14°)	57°14°	60%, 0.06 in1.5 mm	3 mph5 km/h from SE, gusts 10 mph17 km/h	76%	87%	0
Sun 7p	Rain	55°13° (likely 50°10° to 56°13°)	55°13°	60%, 0.06 in1.5 mm	3 mph5 km/h from SE, gusts 8 mph13 km/h	78%	80%	0
Sun 8p	Rain	53°12° (likely 50°10° to 55°13°)	53°12°	60%, 0.06 in1.5 mm	2 mph3 km/h from SSE, gusts 8 mph13 km/h	80%	82%	0
Sun 9p	Rain	53°12° (likely 51°11° to 54°12°)	53°12°	60%, 0.06 in1.5 mm	2 mph3 km/h from SSE, gusts 8 mph13 km/h	81%	74%	0
Sun 10p	Rain	52°11° (likely 50°10° to 53°12°)	52°11°	60%, 0.06 in1.5 mm	2 mph3 km/h from SSE, gusts 6 mph10 km/h	81%	68%	0
Sun 11p	Rain	52°11° (likely 50°10° to 52°11°)	52°11°	80%, 0.05 in1.3 mm	2 mph3 km/h from SSE, gusts 5 mph8 km/h	81%	80%	0

Days ahead

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

Today, Oct 24. Fog. High 62°17°, low 38°3°. Typical 59°15° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Fog, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 43°6°
  20% chance · 0.04 in1 mm
Official NWS forecast
Today: Patchy fog between 8am and 10am. Partly sunny. High near 62, with temperatures falling to around 60 in the afternoon. East northeast wind around 1 mph.
Tonight: Partly cloudy. Low around 38, with temperatures rising to around 40 overnight. Wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–63°17°
Low, likely
37°3°–40°4°
Typical high / low
59°15° / 46°8°
Wind
5 mph7 km/h
UV peak
3
Tomorrow, Oct 25. Rain. High 61°16°, low 46°8°. Typical 59°15° / 46°8°. Rain 0.51 in13 mm, 80% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 43°6°
  40% chance · 0.41 in10 mm
2. Afternoon
  noon–6 PM
  Rain, 60°16°
  80% chance · 1.1 in28 mm
3. Evening
  6 PM–midnight
  Rain, 53°12°
  80% chance · 0.35 in8.9 mm
4. Overnight
  midnight–6 AM
  Drizzle, 50°10°
  70% chance · 0.12 in3.1 mm
Official NWS forecast
Day: Rain. Mostly cloudy, with a high near 61. South southeast wind around 3 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 46. South southeast wind around 5 mph. Chance of precipitation is 80%. 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
52°11°–61°16°
Low, likely
40°4°–46°8°
Typical high / low
59°15° / 46°8°
Wind
12 mph19 km/h, gusts 25 mph40 km/h
UV peak
3
Monday, Oct 26. Rain. High 60°16°, low 45°7°. Typical 59°15° / 45°7°. Rain 0.42 in11 mm, 80% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Showers, 50°10°
  70% chance · 0.16 in4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 58°14°
  70% chance · 0.12 in3 mm
3. Evening
  6 PM–midnight
  Drizzle, 52°11°
  60% chance · 0.03 in0.9 mm
4. Overnight
  midnight–6 AM
  Cloudy, 49°9°
  40% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain. Mostly cloudy, with a high near 60. Chance of precipitation is 80%.
Night: Rain likely. Mostly cloudy, with a low around 45.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
54°12°–60°16°
Low, likely
45°7°–50°10°
Typical high / low
59°15° / 45°7°
Wind
12 mph19 km/h, gusts 24 mph39 km/h
UV peak
3
Tuesday, Oct 27. Rain. High 61°16°, low 44°7°. Typical 58°14° / 45°7°. Rain 0.15 in3.8 mm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  30% chance · 0.02 in0.4 mm
2. Afternoon
  noon–6 PM
  Drizzle, 55°13°
  40% chance · 0.06 in1.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 51°11°
  40% chance · 0.03 in0.9 mm
4. Overnight
  midnight–6 AM
  Drizzle, 46°8°
  40% chance · 0.06 in1.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog and a slight chance of rain. Mostly cloudy, with a high near 61.
Night: A chance of rain. Mostly cloudy, with a low around 44.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–61°16°
Low, likely
44°7°–49°9°
Typical high / low
58°14° / 45°7°
Wind
10 mph16 km/h, gusts 21 mph34 km/h
UV peak
3
Wednesday, Oct 28. Rain. High 60°16°, low 42°6°. Typical 58°14° / 45°7°. Rain 0.23 in5.8 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 47°8°
  50% chance · 0.05 in1.2 mm
2. Afternoon
  noon–6 PM
  Drizzle, 53°12°
  60% chance · 0.07 in1.7 mm
3. Evening
  6 PM–midnight
  Drizzle, 47°8°
  50% chance · 0.03 in0.7 mm
4. Overnight
  midnight–6 AM
  Drizzle, 44°7°
  30% chance · 0.02 in0.6 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 42.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–60°16°
Low, likely
42°6°–45°7°
Typical high / low
58°14° / 45°7°
Wind
12 mph19 km/h, gusts 27 mph43 km/h
UV peak
1
Thursday, Oct 29. Rain. High 59°15°, low 40°4°. Typical 58°14° / 45°7°. Rain 0.23 in5.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 43°6°
  40% chance · 0.07 in1.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 52°11°
  30% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Drizzle, 47°8°
  20% chance · 0.04 in0.9 mm
4. Overnight
  midnight–6 AM
  Mostly clear, 44°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 59.
Night: A slight chance of rain before 5am. Mostly cloudy, with a low around 40.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
50°10°–59°15°
Low, likely
39°4°–44°7°
Typical high / low
58°14° / 45°7°
Wind
12 mph19 km/h, gusts 24 mph38 km/h
UV peak
2
Friday, Oct 30. Rain. High 60°16°, low 42°6°. Typical 57°14° / 45°7°. Rain 0.08 in2 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain between 11am and 5pm. Partly sunny, with a high near 60.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
49°9°–60°16°
Low, likely
40°4°–43°6°
Typical high / low
57°14° / 45°7°
Wind
8 mph12 km/h, gusts 15 mph24 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 52°11°, low 39°4°. Typical 57°14° / 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 40°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Clear, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
49°9°–57°14°
Low, likely
36°2°–42°6°
Typical high / low
57°14° / 44°7°
Wind
6 mph10 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 54°12°, low 38°3°. Typical 57°14° / 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  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
51°11°–61°16°
Low, likely
31°−1°–43°6°
Typical high / low
57°14° / 44°7°
Wind
12 mph19 km/h, gusts 26 mph41 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 55°13°, low 43°6°. Typical 56°13° / 44°7°. Rain 0.18 in4.6 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 55°13°
  20% chance · 0.05 in1.3 mm
3. Evening
  6 PM–midnight
  Partly cloudy, 50°10°
  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
50°10°–62°17°
Low, likely
41°5°–44°7°
Typical high / low
56°13° / 44°7°
Wind
12 mph20 km/h, gusts 26 mph42 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 62°, low 38°.
Tomorrow
75% chance of rain, high 61°, low 46°.
Monday
76% chance of rain, high 60°, low 45°.
Rest of week
Highs 52–61°; chance of precipitation on Wednesday.

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

Tualatin River at West Linn

4.5 mi

Below flood stage

Level: 2.9 ft
Flow: 215 cfs

Forecast peak 3.1 ft Mon 11 AM

Reading from Fri 10:50 PM · NWS gauge page

Willamette River below Falls at Oregon City

5.8 mi

Below flood stage

Level: 3.0 ft

Forecast peak 7.2 ft Wed 7 PM

Reading from Fri 10:15 PM · NWS gauge page

Willamette River above Falls at Oregon City

5.9 mi

Below flood stage

Level: 56.0 ft
Flow: 31,300 cfs

Forecast peak 56.0 ft Tue 5 PM

Reading from Fri 10:50 PM · NWS gauge page

Clackamas River near Oregon City

6.4 mi

Below flood stage

Level: 22.9 ft
Flow: 681 cfs

Forecast peak 23.1 ft Mon 11 PM

Reading from Fri 10 PM · 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: 21
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 9 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 37°F).

Open the windows?

Today, 3:00 PM–5:00 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 3°2° warmer than typical.

Last 7 days vs normal

On average 4°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
—FriOct 23
—SatOct 24

Lake Oswego 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 48 min less
Golden hour: 5:28–6:28 PM; Morning 7:20–8:20 AM
Blue hour: 6:28–6:40 PM; Morning 7:09–7:20 AM; first light 7:09 AM

Stars tonight? Poor

Clouds most of the night (about 58% cover).

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:56 AM · rises 5:11 PM
Full moon: Oct 25
New moon: Nov 8

Looking east from Lake Oswego. The highest point on the skyline is about 12,100 ft, 79 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

Lake Oswego, OR weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Tualatin River at West Linn

Willamette River below Falls at Oregon City

Willamette River above Falls at Oregon City

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