Harrington, WA Weather Forecast
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Harrington Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY |
| Rain Showers | Chance of Showers | Blowing Dust | Mostly Cloudy | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 56°FHi: 13°C | Lo: 40°FLo: 4°C | Hi: 57°FHi: 14°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C | Hi: 63°FHi: 17°C Lo: 33°FLo: 1°C | Hi: 63°FHi: 17°C Lo: 33°FLo: 1°C | Hi: 66°FHi: 19°C Lo: 36°FLo: 2°C | Hi: 66°FHi: 19°C Lo: 36°FLo: 2°C | Hi: 66°FHi: 19°C Lo: 36°FLo: 2°C | Hi: 66°FHi: 19°C Lo: 36°FLo: 2°C |
| POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1046 AM PDT Sat Oct 10 2026 

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Issued: 450 AM PDT Sat Oct 10 2026
Key Messages
- Weather remains active into the weekend with much cooler temperatures, gusty north to northeast winds, and chances for valley rain showers and light mountain snow.
- 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
... Today through Sunday: The cold front will continue to exit the region through the early morning. Colder will continue to move into the region and...
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