Brewster, WA Weather Forecast
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Brewster Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | FRIDAY |
| Partly Cloudy | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy |
| Hi: 76°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C | Hi: 79°FHi: 26°C Lo: 53°FLo: 12°C | Hi: 79°FHi: 26°C Lo: 53°FLo: 12°C | Hi: 79°FHi: 26°C Lo: 53°FLo: 12°C | Hi: 66°FHi: 19°C Lo: 50°FLo: 10°C | Hi: 66°FHi: 19°C Lo: 50°FLo: 10°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 209 AM PDT Sat Sep 19 2026 

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Issued: 103 AM PDT Sat Sep 19 2026
Key Messages
- Warm temperatures through Wednesday with afternoon highs in the mid 70s to low 80s.
- Changes arrive late week with temperatures cooling gradually. There is a low chance for light showers late week into the weekend.
Discussion
... Saturday-Sunday: The Inland NW will experience a mild and dry weekend as a weak upper-level ridge passes through the region. Temperatures on Saturday will not deviate much from Friday with afternoon highs in the 70s to around 80F. Highs will warm a few more deg...
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