Fairfield, WA Weather Forecast
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Fairfield Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY | WEDNESDAY |
| Partly Cloudy | Mostly Cloudy | Blowing Dust | Blowing Dust | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 80°FHi: 27°C | Lo: 53°FLo: 12°C | Hi: 63°FHi: 17°C | Lo: 43°FLo: 6°C | Hi: 60°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 40°FLo: 4°C |
| POP: 90% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 224 AM PDT Thu Sep 24 2026 

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Issued: 241 AM PDT Thu Sep 24 2026
Key Messages
- Mild temperatures, before cooling Friday into the weekend, with highs into the upper 50s to mid 60s Saturday.
- A system brings stronger winds and an increasing risk for rain, thunderstorms and high mountain snow Thursday night through Saturday.
Discussion
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...WINDY CONDITIONS FRIDAY...
Today: a trough digging south from the Gulf of Alaska will bring a southwest flow. Combined with higher heights linger over the area, this will allow for mild day over the Upper Columbia Basin, Spokane A...
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