Weather WorldJohn Sam Lake, WA 7-Day Weather Forecast
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John Sam Lake Weather Forecast
John Sam Lake, WA Weather Forecast Date: 236 AM PDT Thu Aug 13 2026
Weather forecast for John Sam Lake, WA
Today Hi: 75°FHi: 24°C Lo: 56°F Lo: 13°C |
Today... Sunny. Highs in the 70s. Light wind. |
Fri Hi: 76°FHi: 24°C Lo: 57°F Lo: 14°C |
Friday... Sunny. A slight chance of showers in the morning. Highs in the 70s to lower 80s. Light wind. |
Sat Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Saturday... Partly sunny in the morning then becoming sunny. Highs in the 70s. Light wind. |
| Sun Hi: 80°FHi: 27°C Lo: 57°F Lo: 14°C |
Sunday... Mostly cloudy in the morning then becoming mostly sunny. Highs near 80. |
| Mon Hi: 80°FHi: 27°C Lo: 57°F Lo: 14°C |
Monday... Partly sunny. Highs near 80. |
| Tue Hi: 77°FHi: 25°C Lo: 57°F Lo: 14°C |
Tuesday... Mostly cloudy. Highs in the mid to upper 70s. |
Wed Hi: 77°FHi: 25°C |
Wednesday... Mostly cloudy. A slight chance of showers in the afternoon. Highs in the mid to upper 70s. |
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