National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

OR7 SB at Sumpter MP 25.07 (OD128)

Lat: 44.71702°NLon: 118.16314°WElev: 4245.0ft.

NA

47°F

8°C

Humidity 55%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 26 May 04:34 PM PDT
Extended Forecast for

Sumpter OR

  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 54. West northwest wind around 6 mph.

    High: 54 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 40. Northwest wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 76. Calm wind becoming east northeast 5 to 8 mph in the afternoon.

    High: 76 °F

    Patchy Fog
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 46. North northeast wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 77. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 44. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 68. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.

    Low: 38 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 54. West northwest wind around 6 mph.
Tonight
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 40. Northwest wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 76. Calm wind becoming east northeast 5 to 8 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 46. North northeast wind around 6 mph becoming calm in the evening.
Thursday
A 50 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 77. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 44. Chance of precipitation is 50%.
Friday
A slight chance of showers, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 68. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Saturday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 62.
Saturday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sumpter OR
 44.73°N 118.2°W (Elev. 4603 ft)
Last Update:
11:29 am PDT May 26, 2026
Forecast Valid:
4pm PDT May 26, 2026-6pm PDT Jun 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation