Jefferson Park, WA Weather Forecast
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Jefferson Park Weather Forecast
| REST OF TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY |
| Chance of Showers | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Chance of Showers | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 57°FHi: 14°C | Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 36°FLo: 2°C | Hi: 57°FHi: 14°C | Hi: 55°FHi: 13°C Lo: 33°FLo: 1°C | Hi: 55°FHi: 13°C Lo: 33°FLo: 1°C | Lo: 39°FLo: 4°C | Hi: 50°FHi: 10°C | Hi: 50°FHi: 10°C Lo: 35°FLo: 2°C | Hi: 50°FHi: 10°C Lo: 35°FLo: 2°C | Hi: 50°FHi: 10°C Lo: 35°FLo: 2°C |
| POP: 20% | POP: 50% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1248 PM PDT Mon Oct 26 2026 

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Issued: 225 PM PDT Mon Oct 26 2026
Key Messages
- Continued mountain rain and snow through Thursday. *Winter Weather Advisory Issued*
- Breezy winds Tuesday and Wednesday.
- Cooling trend Tuesday onward.
Discussion
... Current radar and visible satellite imagery shows slight returns across the Cascade and Blue Mountains under mostly cloudy skies. This is in response to an upper level low pressure system that is passing through the area today, ahead of another upper level trough on Tuesday. These quick hitting systems will keep precipitati...
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