Weather WorldSummit, WA 7-Day Weather Forecast
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Summit Weather Forecast
Summit, WA Weather Forecast Date: 236 PM PDT Wed Sep 02 2026
Weather forecast for Summit, WA
Tonight Lo: 50°F Lo: 10°C |
Tonight... Mostly cloudy with a chance of rain. Lows in the upper 40s to mid 50s. South wind 10 to 15 mph with gusts to 25 mph. |
Thu Hi: 60°FHi: 16°C Lo: 50°F Lo: 10°C |
Thursday... Mostly cloudy with a chance of rain in the morning, then partly sunny with a chance of showers and a slight chance of thunderstorms in the afternoon. Highs in the upper 50s to mid 60s. South wind to 10 mph. |
| Fri Hi: 65°FHi: 18°C Lo: 50°F Lo: 10°C |
Friday... Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the 60s. Light wind. |
Sat Hi: 73°FHi: 23°C Lo: 53°F Lo: 12°C |
Saturday... Mostly cloudy in the morning, then mostly sunny with a slight chance of rain in the afternoon. Highs in the lower to mid 70s. |
Sun Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Sunday... Mostly sunny. Highs in the 70s. |
Labor Day Hi: 73°FHi: 23°C Lo: 55°F Lo: 13°C |
Labor Day... Mostly sunny. A slight chance of rain in the morning. Highs in the lower to mid 70s. |
Tue Hi: 73°FHi: 23°C Lo: 55°F Lo: 13°C |
Tuesday... Mostly cloudy. Highs in the lower to mid 70s. |
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