Winthrop, WA Weather Forecast
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Winthrop Weather Forecast
| REST OF TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY |
| Mostly Sunny | Mostly Cloudy | Clearing | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Snow Showers | Partly Cloudy | Partly Cloudy | Snow Showers |
| Hi: 56°FHi: 13°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 43°FLo: 6°C | Hi: 65°FHi: 18°C | Hi: 65°FHi: 18°C Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C | Hi: 57°FHi: 14°C Lo: 36°FLo: 2°C | Hi: 57°FHi: 14°C Lo: 36°FLo: 2°C | Hi: 53°FHi: 12°C |
| POP: 20% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1149 AM PDT Tue Oct 13 2026 

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Issued: 1109 AM PDT Tue Oct 13 2026
Key Messages
- Chilly overnight lows the next couple of mornings with widespread frost/freeze conditions.
- Dry conditions, light winds, and moderating temperatures through the week.
- Gusty westerly winds and cooler temperatures return next weekend.
Discussion
... Tuesday through Friday: Upper-level ridging builds across the region on Tuesday, initiating a modest warming trend. A weak shortwave temporarily flattens the ridge on Wednesday, bringing increased cloud cover and a slight (~15%) chance of show...
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