Swamp Lake, OR Weather Forecast
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Swamp Lake Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SUNDAY | MONDAY |
| Partly Cloudy | Sunny | Mostly Clear | Partly Cloudy | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 36°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 49°FLo: 9°C | Lo: 40°FLo: 4°C | ||||||
POP = Probability of Precipitation.
Weather Outlook Updated: 1133 PM PDT Mon Sep 28 2026 

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Issued: 413 AM PDT Tue Sep 29 2026
Key Messages
- Light to moderate mountain showers across the WA Cascades and Northern Blues today
- Breezy winds through the Columbia Basin and Eastern Columbia River Gorge this afternoon
- Near to above normal temperatures, mostly dry conditions, and light winds develop into early next week
Discussion
...Nighttime satellite imagery tonight shows increasing mid to upper level cloud cover from northwest to southeast. Meanwhile radar is showing returns mostly over northwest WA at this time, with returns sl...
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