Sumpter, OR Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sumpter, OR in one place.
Sunny. High near 64, with temperatures falling to around 58 in the afternoon. Southeast wind around 5 mph.
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: Oct 15, 2026 3:56 PM PDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Sumpter, OR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:56 PM PDT
- Forecast office
- BOI
- Source
- NOAA / NWS
Daily Outlook
This Week in Sumpter
Saturday looks like the warmest upcoming period in Sumpter at 65 degrees F.
Tonight is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Friday at about 3 to 8 mph ESE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 3:56 PM PDT
- Coverage
- 8 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
Mostly clear, with a low around 31. East wind around 3 mph.
Sunny. High near 63, with temperatures falling to around 58 in the afternoon. East southeast wind 3 to 8 mph.
Partly cloudy, with a low around 38. East northeast wind 0 to 3 mph.
Mostly sunny, with a high near 65. West southwest wind around 2 mph.
Mostly clear, with a low around 34.
Sunny, with a high near 62.
Partly cloudy, with a low around 36.
Mostly sunny, with a high near 58.
Mostly cloudy, with a low around 34.
A slight chance of rain showers after 11am. Partly sunny, with a high near 53. Chance of precipitation is 20%.
A slight chance of rain showers before 5am. Partly cloudy, with a low around 33. Chance of precipitation is 20%.
A slight chance of rain showers after 11am. Mostly sunny, with a high near 54. Chance of precipitation is 20%.
A slight chance of rain showers before 11pm, then a slight chance of rain and snow showers. Partly cloudy, with a low around 32.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Sunny
|
64°F |
5 mph
SE
|
|
Tonight
Oct 15
|
Mostly Clear
|
31°F |
3 mph
E
|
|
Friday
Oct 16
|
Sunny
|
63°F |
3 to 8 mph
ESE
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
38°F |
0 to 3 mph
ENE
|
|
Saturday
Oct 17
|
Mostly Sunny
|
65°F |
2 mph
WSW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
34°F |
2 mph
NNW
|
|
Sunday
Oct 18
|
Sunny
|
62°F |
0 to 5 mph
SE
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
36°F |
2 mph
SE
|
|
Monday
Oct 19
|
Mostly Sunny
|
58°F |
1 to 6 mph
SSE
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
34°F |
2 mph
NW
|
|
Tuesday
Oct 20
|
Slight Chance Rain Showers
|
53°F |
3 mph
N
|
|
Tuesday Night
Oct 20
|
Slight Chance Rain Showers
|
33°F |
1 mph
NNW
|
|
Wednesday
Oct 21
|
Slight Chance Rain Showers
|
54°F |
2 mph
NW
|
|
Wednesday Night
Oct 21
|
Slight Chance Rain Showers then Slight Chance Rain And Snow Showers
|
32°F |
1 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sumpter.
