Portland, Oregon 7-day weather forecast

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August 25, 2025
ESOlex // Shutterstock

Portland, Oregon 7-day weather forecast

Stacker created the forecast for Portland, Oregon using data from OpenWeather. This week's high is 92 °F on Monday, while the low is 60 °F on Sunday. There is expected to be 1 sunny day and rain on 1 day this week.

NWS Portland OR has issued a extreme heat warning until Wednesday at 11:00 PM and an air quality alert until Monday at 05:30 AM.

Monday, August 25

- High of 92 °F, low of 62 °F (33% humidity)
- Overcast with a 30% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:24 AM, sunset at 8:01 PM
1 / 6
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Tuesday, August 26

- High of 90 °F, low of 66 °F (34% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Light breeze (6 mph wind)
- Sunrise at 6:25 AM, sunset at 7:59 PM
2 / 6
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Wednesday, August 27

- High of 74 °F, low of 66 °F (68% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (5 mph wind)
- Sunrise at 6:26 AM, sunset at 7:58 PM
3 / 6
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Thursday, August 28

- High of 84 °F, low of 62 °F (29% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (6 mph wind)
- Sunrise at 6:27 AM, sunset at 7:56 PM
4 / 6
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Friday, August 29

- High of 84 °F, low of 61 °F (36% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (4 mph wind)
- Sunrise at 6:29 AM, sunset at 7:54 PM
5 / 6
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Saturday, August 30

- High of 82 °F, low of 62 °F (35% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:30 AM, sunset at 7:52 PM
- First quarter moon
6 / 6
Piyawat Nandeenopparit // Shutterstock

Sunday, August 31

- High of 83 °F, low of 60 °F (29% humidity)
- Fair with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:31 AM, sunset at 7:50 PM

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