Granite Rapids, WA Weather Forecast
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Granite Rapids Weather Forecast
| REST OF TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY | MONDAY |
| Chance of Rain | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 60°FHi: 16°C | Lo: 47°FLo: 8°C | Hi: 75°FHi: 24°C | Lo: 47°FLo: 8°C | Hi: 76°FHi: 24°C | Hi: 76°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C Lo: 50°FLo: 10°C |
| POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1135 AM PDT Tue Sep 15 2026 

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Issued: 1238 PM PDT Tue Sep 15 2026
Key Messages
- A 15-35 percent chance of sprinkles/very light showers continues through Tuesday evening across Northeast WA and North ID.
- A 30-70 percent chance of showers moves over Southeast WA and the Central ID Panhandle Thursday night into Friday. These showers will be accompanied by a 20 percent chance for thunderstorms.
- Warmer temperatures Wednesday through Monday with afternoon highs in the 70s to low 80s.
Discussion
... Tuesday evening: Spotty light rain will continue over Northeast WA and N...
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