What is today's weather forecast for Sumpter, OR?

Today's forecast for Sumpter shows a low of 26 degrees Fahrenheit. A 20 percent chance of snow after 10pm.

What is the 7-day weather forecast for Sumpter, OR?

The 7-day forecast for Sumpter shows highs from 33 to 39 degrees and lows from 20 to 36 degrees Fahrenheit. Expect precipitation on 8 days with chances of 20% or higher.

Will it rain in Sumpter, OR this week?

Yes, rain is possible in Sumpter this week. Precipitation chances: Wednesday (20% chance), Thursday (100% chance), Friday (100% chance), Saturday (30% chance), Sunday (80% chance), Monday (70% chance), Tuesday (50% chance), Wednesday (60% chance).

How accurate is the Sumpter weather forecast?

WeatherForYou provides highly accurate Sumpter forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Sumpter, OR Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

31°F
Feels Like 31°F

Humidity 56% Dew Point 17°F Wind Calm Barometer N/A

Report from a MADIS/MESONET weather station 2.8 mi. SE of central Sumpter
at 4:22 PM Wed, Dec 17, 2025

Point Forecast at a Glance

WedDec 17

20%

ThuDec 18

100%

FriDec 19

100%

SatDec 20

20%

SunDec 21

70%

MonDec 22

70%

TueDec 23

40%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 33°F to 39°F. Unsettled weather expected with wintry mix likely on at least 7 days.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 37°F and lows around 20°F.

This Date in Weather History

1929 - An icestorm in western New York State resulted in much damage and hardship. A Buffalo report stated, "one was kept awake by the breaking limbs, which snapped off with a report much louder than a rifle shot."

Sumpter, OR 7 Day Weather Forecast Details

Wednesday Dec 17

Night: A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 26. Light and variable wind.

Thursday Dec 18

Day: Snow before 1pm, then rain. The rain could be heavy at times. Snow level rising to 6800 feet in the afternoon. High near 39. East southeast wind around 6 mph becoming north in the afternoon. Chance of precipitation is 100%. New snow accumulation of around 2 inches.

Night: Rain. Low around 36. Southwest wind around 6 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday Dec 19

Day: Rain and snow, becoming all snow after 1pm. Snow level 5600 feet lowering to 4600 feet in the afternoon . High near 39. West wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of around 2 inches.

Night: A 50 percent chance of snow, mainly before 10pm. Partly cloudy, with a low around 20. Calm wind. New snow accumulation of less than a half inch possible.

Saturday Dec 20

Day: A 20 percent chance of snow before 4pm. Mostly sunny, with a high near 33.

Night: A 30 percent chance of snow after 10pm. Mostly cloudy, with a low around 23. New snow accumulation of less than a half inch possible.

Sunday Dec 21

Day: A chance of snow before 10am, then rain and snow likely. Mostly cloudy, with a high near 38. Chance of precipitation is 70%.

Night: Rain and snow. Snow level 5500 feet. Low around 29. Chance of precipitation is 80%.

Monday Dec 22

Day: Snow likely, possibly mixed with rain. Snow level 4800 feet. Mostly cloudy, with a high near 38. Chance of precipitation is 70%.

Night: A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

Tuesday Dec 23

Day: A 40 percent chance of snow. Partly sunny, with a high near 37.

Night: A 50 percent chance of snow. Mostly cloudy, with a low around 26.

Wednesday Dec 24

Day: Snow likely. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.

About Sumpter, OR

Sumpter is a city in Baker County, Oregon, United States. The population was 204 at the 2020 census. Sumpter is named after Fort Sumter by its founders. The name was inspired by a rock as smooth and round as a cannonball, which reminded a local resident of the American Civil War and Fort Sumter.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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