Weather in Sumpter, OR
Updated 2026-09-26 08:00 local time · ZIP codes 97877
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
45°15% rain47°13% rain
50°2% rain54°1% rain56°1% rain59°0% rain60°0% rain61°0% rain61°1% rain61°9% rain57°8% rain
51°8% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 15%).
It feels like 40°F with winds near 2 mph.
61°F, 0% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 16 mph.
Current temperature is 45°F, wind 2 mph, rain chance up to 15%.
UV index is 0.
Local weather characteristics in Sumpter
Oregon ranges from a mild, wet Pacific climate west of the Cascades to much drier conditions east of the mountains. Elevation strongly affects snow and temperature.
Sumpter is part of the West weather region. The forecast point is near 44.75°N latitude and 118.20°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Sumpter weather today
Overcast and 45°F in Sumpter, OR. Today's high is 61°F with a 5% rain chance. Winds are around 2 mph with gusts near 3 mph. Relative humidity is 63%, pressure is 30.13 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Sumpter
Sunrise is at 06:44 AM and sunset is at 06:43 PM. Tomorrow's forecast calls for Overcast with a high near 64°F and a low near 42°F. The maximum rain chance is 9%.