Walla Walla 7-day weather forecast

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September 8, 2025
ESOlex // Shutterstock

Walla Walla 7-day weather forecast

Stacker created the forecast for Walla Walla, Washington using data from OpenWeather. This week's high is 86 °F on Sunday, while the low is 61 °F on Tuesday. There is expected to be 1 sunny day and rain on 5 days this week.

NWS Pendleton OR has issued an air quality alert until Tuesday at 11:00 PM.

Monday, September 8

- High of 84 °F, low of 62 °F (28% humidity)
- Overcast with a 86% chance of rain (2 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:23 AM, sunset at 7:18 PM
1 / 6
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Tuesday, September 9

- High of 83 °F, low of 61 °F (39% humidity)
- Sunny with a 100% chance of rain (2 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:24 AM, sunset at 7:16 PM
2 / 6
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Wednesday, September 10

- High of 79 °F, low of 62 °F (46% humidity)
- Overcast with a 100% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:25 AM, sunset at 7:15 PM
3 / 6
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Thursday, September 11

- High of 74 °F, low of 64 °F (60% humidity)
- Mostly cloudy with a 90% chance of rain (1 mm of rain)
- Gentle breeze (10 mph wind)
- Sunrise at 6:27 AM, sunset at 7:13 PM
4 / 6
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Friday, September 12

- High of 76 °F, low of 62 °F (51% humidity)
- Overcast with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 6:28 AM, sunset at 7:11 PM
5 / 6
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Saturday, September 13

- High of 83 °F, low of 62 °F (41% humidity)
- Partly cloudy with a 0% chance of rain
- Light breeze (6 mph wind)
- Sunrise at 6:29 AM, sunset at 7:09 PM
6 / 6
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Sunday, September 14

- High of 86 °F, low of 64 °F (35% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate breeze (18 mph wind)
- Sunrise at 6:30 AM, sunset at 7:07 PM
- Last quarter moon

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