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City of Sumner, WASumner, WA 7-Day Weather Forecast
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Sumner Weather Forecast
Sumner, WA Weather Forecast Date: 236 PM PDT Sat Oct 31 2026
Weather forecast for Sumner, WA
Tonight Lo: 36°F Lo: 2°C |
Tonight... Mostly cloudy in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 30s to lower 40s. North wind to 10 mph in the evening becoming light. |
| Sun Hi: 53°FHi: 12°C Lo: 36°F Lo: 2°C |
Sunday... Partly sunny. Patchy fog until late afternoon. Highs in the lower to mid 50s. Light wind. |
Mon Hi: 55°FHi: 13°C Lo: 45°F Lo: 7°C |
Monday... Mostly cloudy. Highs in the 50s. Light wind. |
| Tue Hi: 59°FHi: 15°C Lo: 40°F Lo: 4°C |
Tuesday... Mostly cloudy. Highs in the upper 50s. |
Wed Hi: 59°FHi: 15°C Lo: 47°F Lo: 8°C |
Wednesday... Mostly cloudy. A slight chance of rain in the afternoon. Highs in the upper 50s. |
| Thu Hi: 57°FHi: 14°C Lo: 45°F Lo: 7°C |
Thursday... Mostly cloudy with a chance of rain. Highs in the mid to upper 50s. |
| Fri Hi: 57°FHi: 14°C Lo: 43°F Lo: 6°C |
Friday... Mostly cloudy with rain likely in the morning, then mostly cloudy with a chance of rain in the afternoon. Highs in the mid to upper 50s. |
Sumner Radar Loop
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