Sumpter, OR Weather Forecast

Local 7-day forecast

84°
F

Areas Of Smoke

Track current conditions, temperature changes, wind, and the full daily outlook for Sumpter, OR in one place.

Saturday, August 1, 2026
Wind: 1 to 14 mph W
Saturday

Areas of smoke before 5pm. Mostly sunny, with a high near 84. West wind 1 to 14 mph, with gusts as high as 25 mph.

Local 7-day forecast

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: Jul 31, 2026 7:35 PM PDT.

The active forecast window currently covers Aug 1 to Aug 6, 2026 for Sumpter, OR.

Page Snapshot

Page focus
city weather
Forecast window
Aug 1 to Aug 6, 2026
Latest sync
Jul 31, 2026 7:35 PM PDT
Forecast office
BOI
Source
NOAA / NWS
Next High
84°F
Saturday
Next Low
43°F
Saturday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
1 to 14 mph
Saturday

Daily Outlook

Today
Aug 1
Areas Of Smoke
84 °F
/ 43°F
Wind 1 to 14 mph
Sun
Aug 2
Sunny
74 °F
/ 41°F
Wind 5 to 9 mph
Mon
Aug 3
Sunny
76 °F
/ 44°F
Wind 3 to 7 mph
Tue
Aug 4
Sunny
83 °F
/ 50°F
Wind 2 mph
Wed
Aug 5
Sunny
88 °F
/ 53°F
Wind 0 to 5 mph
Thu
Aug 6
Sunny
86 °F
/ 52°F
Wind 1 to 6 mph

This Week in Sumpter

Wednesday looks like the warmest upcoming period in Sumpter at 88 degrees F.

Sunday Night is the coolest period ahead with temperatures near 41 degrees F.

The strongest winds are forecast for Saturday at about 1 to 14 mph W.

The forecast from Aug 1 through Aug 6 stays mostly dry.

Forecast Details

Last updated
Jul 31, 2026 7:35 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 source

Extended Forecast

Saturday Night
Aug 1
43°F
Areas Of Smoke
6 to 14 mph WNW

Areas of smoke after 9pm. Mostly clear, with a low around 43. West northwest wind 6 to 14 mph, with gusts as high as 25 mph.

Sunday
Aug 2
74°F
Sunny
5 to 9 mph WNW

Sunny, with a high near 74. West northwest wind 5 to 9 mph.

Sunday Night
Aug 2
41°F
Mostly Clear
6 to 9 mph WNW

Mostly clear, with a low around 41.

Monday
Aug 3
76°F
Sunny
3 to 7 mph N

Sunny, with a high near 76.

Monday Night
Aug 3
44°F
Mostly Clear
0 to 5 mph N

Mostly clear, with a low around 44.

Tuesday
Aug 4
83°F
Sunny
2 mph NW

Sunny, with a high near 83.

Tuesday Night
Aug 4
50°F
Mostly Clear
2 mph N

Mostly clear, with a low around 50.

Wednesday
Aug 5
88°F
Sunny
0 to 5 mph WNW

Sunny, with a high near 88.

Wednesday Night
Aug 5
53°F
Mostly Clear
1 to 5 mph NW

Mostly clear, with a low around 53.

Thursday
Aug 6
86°F
Sunny
1 to 6 mph WNW

Sunny, with a high near 86.

Thursday Night
Aug 6
52°F
Mostly Clear
1 to 6 mph NW

Mostly clear, with a low around 52.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Aug 1
Areas Of Smoke
84°F
1 to 14 mph
W
Saturday Night
Aug 1
Areas Of Smoke
43°F
6 to 14 mph
WNW
Sunday
Aug 2
Sunny
74°F
5 to 9 mph
WNW
Sunday Night
Aug 2
Mostly Clear
41°F
6 to 9 mph
WNW
Monday
Aug 3
Sunny
76°F
3 to 7 mph
N
Monday Night
Aug 3
Mostly Clear
44°F
0 to 5 mph
N
Tuesday
Aug 4
Sunny
83°F
2 mph
NW
Tuesday Night
Aug 4
Mostly Clear
50°F
2 mph
N
Wednesday
Aug 5
Sunny
88°F
0 to 5 mph
WNW
Wednesday Night
Aug 5
Mostly Clear
53°F
1 to 5 mph
NW
Thursday
Aug 6
Sunny
86°F
1 to 6 mph
WNW
Thursday Night
Aug 6
Mostly Clear
52°F
1 to 6 mph
NW
Sumpter Valley Gold Dredge
Sumpter Valley Gold Dredge image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.