Keller, WA Weather Forecast
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Keller Weather Forecast
| TODAY | TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY |
| Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 55°FHi: 13°C | Lo: 26°FLo: -3°C | Hi: 56°FHi: 13°C | Lo: 30°FLo: -1°C | Hi: 56°FHi: 13°C | Hi: 69°FHi: 21°C Lo: 36°FLo: 2°C | Hi: 69°FHi: 21°C Lo: 36°FLo: 2°C | Hi: 69°FHi: 21°C Lo: 36°FLo: 2°C | Hi: 69°FHi: 21°C Lo: 36°FLo: 2°C | Hi: 69°FHi: 21°C Lo: 36°FLo: 2°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 209 AM PDT Sun Oct 11 2026 

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Issued: 1048 PM PDT Sat Oct 10 2026
Key Messages
- Gusty north to northeast winds will bring the potential for blowing dust across the Western Columbia Basin Sunday.
- Cooler autumn storm system to bring rain and mountain snow showers, cooler temperatures, and breezy north to northeast winds through the weekend.
- Overnight lows reaching freezing or below in many areas. Hard freeze expected for mountain valleys in northeast Washington and the Idaho Panhandle by Monday morning.
Discussion
... Sunday through Monday night: A cold upper-level ...
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