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City of Walla Walla, WAWalla Walla, WA Weather Forecast
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Walla Walla Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | FRIDAY |
 |  |  | |  |  |  | | | |
| Mostly Cloudy | Chance of T-Storm | Rain Showers | Rain Showers | Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Sunny |
| Hi: 80°FHi: 27°C | Lo: 47°FLo: 8°C | Hi: 60°FHi: 16°C | Lo: 47°FLo: 8°C | Hi: 66°FHi: 19°C | Hi: 66°FHi: 19°C Lo: 43°FLo: 6°C | Hi: 66°FHi: 19°C Lo: 43°FLo: 6°C | Hi: 76°FHi: 24°C Lo: 46°FLo: 8°C | Hi: 76°FHi: 24°C Lo: 46°FLo: 8°C | Hi: 80°FHi: 27°C |
| POP: 100% | POP: 100% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 402 AM PDT Sat Sep 12 2026 
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Issued: 315 AM PDT Sat Sep 12 2026
Key Messages
- Dry much of today, then rain developing late this afternoon/early this evening. Isolated thunderstorms this evening.
- Widespread rain tonight into Sunday.
- Breezy to windy across the Columbia Gorge, Columbia Basin, Kittitas Valley and Blue Mountain Foothills this evening through Sunday morning.
- Dry Monday through the rest of the upcoming week.
Discussion
... An area of low pressure off the coast of Oregon and Washington is moving southeastward, This low move onshore late this evening/ove...