Sumpter, OR Weather Forecast
Local 7-day forecast
Chance Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sumpter, OR in one place.
A chance of rain showers before 9am. Mostly sunny, with a high near 56. West wind 5 to 9 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Sumpter, OR is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 3:16 PM PDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Sumpter, OR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 3:16 PM PDT
- Forecast office
- BOI
- Source
- NOAA / NWS
Daily Outlook
This Week in Sumpter
Sunday looks like the warmest upcoming period in Sumpter at 80 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 9 mph W.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jun 8, 2026 3:16 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- BOI
- Radar station
- KPDT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 34. West northwest wind 5 to 9 mph, with gusts as high as 28 mph.
Mostly sunny, with a high near 57. West northwest wind 5 to 8 mph, with gusts as high as 23 mph.
Clear, with a low around 34.
Sunny, with a high near 71.
Clear, with a low around 41.
Sunny, with a high near 78.
Clear, with a low around 44.
Sunny, with a high near 77.
Clear, with a low around 44.
Sunny, with a high near 80.
Mostly clear, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Chance Rain Showers then Mostly Sunny
|
56°F |
5 to 9 mph
W
|
|
Tuesday Night
Jun 9
|
Partly Cloudy
|
34°F |
5 to 9 mph
WNW
|
|
Wednesday
Jun 10
|
Mostly Sunny
|
57°F |
5 to 8 mph
WNW
|
|
Wednesday Night
Jun 10
|
Clear
|
34°F |
0 to 5 mph
NNW
|
|
Thursday
Jun 11
|
Sunny
|
71°F |
0 to 3 mph
WSW
|
|
Thursday Night
Jun 11
|
Clear
|
41°F |
0 to 3 mph
NW
|
|
Friday
Jun 12
|
Sunny
|
78°F |
0 to 6 mph
NW
|
|
Friday Night
Jun 12
|
Clear
|
44°F |
2 to 6 mph
NW
|
|
Saturday
Jun 13
|
Sunny
|
77°F |
2 to 7 mph
NNW
|
|
Saturday Night
Jun 13
|
Clear
|
44°F |
1 to 7 mph
NNW
|
|
Sunday
Jun 14
|
Sunny
|
80°F |
1 to 5 mph
N
|
|
Sunday Night
Jun 14
|
Mostly Clear
|
47°F |
0 to 5 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sumpter.
