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City of Sumpter, ORSumpter, OR 7-Day Weather Forecast
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Sumpter Weather Forecast
Sumpter, OR Weather Forecast Date: 130 AM PDT Tue Oct 20 2026
Weather forecast for Sumpter, OR
Today Hi: 70°FHi: 21°C Lo: 40°F Lo: 4°C |
Today... Partly sunny. Highs 65 to 73. West winds up to 10 mph this morning, shifting to southeast this afternoon. |
Wed Hi: 70°FHi: 21°C Lo: 42°F Lo: 6°C |
Wednesday... Mostly sunny. Highs 66 to 73. Light winds in the morning, becoming southeast 10 to 15 mph in the afternoon. |
| Thu Hi: 63°FHi: 17°C Lo: 34°F Lo: 1°C |
Thursday... Increasing clouds. Rain showers likely in the morning, then rain showers with a slight chance of thunderstorms in the afternoon. Chance of rain 90%. Highs 58 to 66. Southeast winds up to 10 mph. |
Fri Hi: 52°FHi: 11°C Lo: 24°F Lo: -4°C |
Friday... Mostly sunny. Cooler with highs 48 to 55. Windy. |
| Sat Hi: 52°FHi: 11°C Lo: 29°F Lo: -2°C |
Saturday... Areas of fog in the morning. Mostly sunny. Highs 48 to 55. |
Sun Hi: 55°FHi: 13°C Lo: 30°F Lo: -1°C |
Sunday... A slight chance of light freezing rain and snow showers in the morning. Areas of fog in the morning. Partly cloudy with a slight chance of rain showers. Chance of precipitation 20%. Highs 51 to 58. |
Mon Hi: 57°FHi: 14°C |
Monday... Mostly sunny. Areas of fog in the morning. A slight chance of rain showers in the afternoon. Chance of rain 20%. Highs 53 to 60. |
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