Walla Walla 7-day weather forecast

Written by:
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 91 °F on Thursday, while the low is 53 °F on Monday. There are expected to be 3 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, September 15

- High of 74 °F, low of 53 °F (37% humidity)
- Mostly sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (5 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:31 AM, sunset at 7:05 PM
1 / 6
Witaya Proadtayakogool // Shutterstock

Tuesday, September 16

- High of 81 °F, low of 58 °F (37% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:33 AM, sunset at 7:03 PM
2 / 6
Piyawat Nandeenopparit // Shutterstock

Wednesday, September 17

- High of 89 °F, low of 64 °F (29% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Light breeze (6 mph wind)
- Sunrise at 6:34 AM, sunset at 7:01 PM
3 / 6
Maxim Grohotov // Shutterstock

Thursday, September 18

- High of 91 °F, low of 68 °F (28% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Light breeze (6 mph wind)
- Sunrise at 6:35 AM, sunset at 6:59 PM
4 / 6
Valeriy Boyarskiy // Shutterstock

Friday, September 19

- High of 90 °F, low of 71 °F (25% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:36 AM, sunset at 6:57 PM
5 / 6
Cari Rubin Photography // Shutterstock

Saturday, September 20

- High of 80 °F, low of 68 °F (45% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:38 AM, sunset at 6:55 PM
6 / 6
Andrew Lever // Shutterstock

Sunday, September 21

- High of 77 °F, low of 65 °F (32% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:39 AM, sunset at 6:53 PM
- New moon

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