Sumpter, OR Weather Forecast

Local 7-day forecast

58°

Partly Sunny

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

Sunday, April 19, 2026

Wind: 3 to 8 mph SE

Sunday

Partly sunny, with a high near 58.

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: Apr 15, 2026 2:42 PM PDT.

The active forecast window currently covers Apr 19 to Apr 21, 2026 for Sumpter, OR.

Page Snapshot

Page focus: city weather
Forecast window: Apr 19 to Apr 21, 2026
Latest sync: Apr 15, 2026 2:42 PM PDT
Forecast office: BOI
Source: NOAA / NWS

Next High

58°F

Sunday

Next Low

40°F

Sunday Night

Rain Outlook

Periods mentioning precipitation

Windiest

3 to 8 mph

Sunday

Daily Outlook

Today

Apr 19

Partly Sunny

58 °F

/ 40°F

Wind 3 to 8 mph

Mon

Apr 20

Slight Chance Rain Showers

62 °F

/ 40°F

Wind 1 to 5 mph

Tue

Apr 21

Chance Rain Showers

61 °F

/ 39°F

Wind 2 to 6 mph

This Week in Sumpter

Monday looks like the warmest upcoming period in Sumpter at 62 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 39 degrees F.

The strongest winds are forecast for Sunday at about 3 to 8 mph SE.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated: Apr 15, 2026 2:42 PM PDT
Coverage: 4 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

Sunday Night

Apr 19

40°F

Mostly Cloudy

1 to 6 mph NNE

Mostly cloudy, with a low around 40.

Monday

Apr 20

62°F

Slight Chance Rain Showers

1 to 5 mph NE

A slight chance of rain showers after 11am. Partly sunny, with a high near 62. Chance of precipitation is 20%.

Monday Night

Apr 20

40°F

Slight Chance Rain Showers then Partly Cloudy

5 mph N

A slight chance of rain showers before 11pm. Partly cloudy, with a low around 40. Chance of precipitation is 20%.

Tuesday

Apr 21

61°F

Chance Rain Showers

2 to 6 mph SW

A chance of rain showers after 11am. Partly sunny, with a high near 61. Chance of precipitation is 30%.

Tuesday Night

Apr 21

39°F

Chance Rain Showers

2 to 6 mph W

A chance of rain showers. Mostly cloudy, with a low around 39.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Sunday Apr 19	Partly Sunny	58°F	3 to 8 mph SE	Partly sunny, with a high near 58.
Sunday Night Apr 19	Mostly Cloudy	40°F	1 to 6 mph NNE	Mostly cloudy, with a low around 40.
Monday Apr 20	Slight Chance Rain Showers	62°F	1 to 5 mph NE	A slight chance of rain showers after 11am. Partly sunny, with a high near 62. Chance of precipitation is 20%.
Monday Night Apr 20	Slight Chance Rain Showers then Partly Cloudy	40°F	5 mph N	A slight chance of rain showers before 11pm. Partly cloudy, with a low around 40. Chance of precipitation is 20%.
Tuesday Apr 21	Chance Rain Showers	61°F	2 to 6 mph SW	A chance of rain showers after 11am. Partly sunny, with a high near 61. Chance of precipitation is 30%.
Tuesday Night Apr 21	Chance Rain Showers	39°F	2 to 6 mph W	A chance of rain showers. Mostly cloudy, with a low around 39.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Sumpter.

Baker City

Population 9,809

Region Links

Baker County weather

County forecast page

Oregon weather

Statewide weather overview

United States weather

National weather entry point

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.