Weather forecast for 10 daysSumpter, OR
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 36°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSE 140°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:12 am PDT
- Sunset: 6:03 pm PDT
- details ▼
On Sunday, in Sumpter, expect a partly sunny afternoon with variable cloud cover.
Temperature fluctuations will be substantial, ranging from a peak of an enjoyable 66.2°F to a low of a cold 35.6°F.
Tomorrow, climate comparisons show a temperature closer to September's 71.2°F than October's 55.2°F.
Sunrise will be at 7:12 am and sunset at 6:03 pm; tomorrow's daylight will last for 10h and 50min.
Temperature fluctuations will be substantial, ranging from a peak of an enjoyable 66.2°F to a low of a cold 35.6°F.
Tomorrow, climate comparisons show a temperature closer to September's 71.2°F than October's 55.2°F.
Sunrise will be at 7:12 am and sunset at 6:03 pm; tomorrow's daylight will last for 10h and 50min.
10-day overview
Daily temperatures
Warmest period: tomorrow - Tuesday 66°C.
Coldest day: Saturday 24.10. 46°C.
Coldest day: Saturday 24.10. 46°C.
Chance of precipitation
Highest chance: Thursday 52%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 34°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphNNE 13°
- Humidity: 68%
- UV index: 0
- Sunrise: 7:11 am PDT
- Sunset: 6:04 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 36°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSE 140°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:12 am PDT
- Sunset: 6:03 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 37°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSE 157°
- Humidity: 40%
- UV index: 3
- Sunrise: 7:13 am PDT
- Sunset: 6:01 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 39°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphENE 64°
- Humidity: 42%
- UV index: 2
- Sunrise: 7:15 am PDT
- Sunset: 5:59 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 41°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 7mphSE 139°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:16 am PDT
- Sunset: 5:58 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 32°F
Showers
- Precip. probability: 52%
- Precipitation: 0.12"
- Wind: 6mphWNW 292°
- Humidity: 71%
- UV index: 2
- Sunrise: 7:17 am PDT
- Sunset: 5:56 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 48°F
- 25°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 10mphNW 307°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:19 am PDT
- Sunset: 5:55 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 46°F
- 27°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 7mphSSE 166°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:20 am PDT
- Sunset: 5:53 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 50°F
- 28°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 7mphSSW 204°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:21 am PDT
- Sunset: 5:51 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 50°F
- 25°F
Mostly Sunny
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 6mphWSW 250°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:23 am PDT
- Sunset: 5:50 pm PDT
- details ▼
Over the next ten days, a mix of primarily overcast and occasionally rain-soaked and sunny weather is expected.
With a probability of 52%, rainfall is predicted only for Thursday. Forecasted precipitation will be minimal at 0.12".
There will be a considerable variation in temperature throughout the forecast window. Highs will range from 46.4°F to 66.2°F, while the difference in minimum temperatures will be also substantial, as the lowest temperatures will be recorded between 24.8°F and 41°F.
Sunday through Tuesday, with the highest temperature of 66.2°F, will be the warmest days in Sumpter; with the highest temperature of 46.4°F, next Saturday will be the coldest day.
With a probability of 52%, rainfall is predicted only for Thursday. Forecasted precipitation will be minimal at 0.12".
There will be a considerable variation in temperature throughout the forecast window. Highs will range from 46.4°F to 66.2°F, while the difference in minimum temperatures will be also substantial, as the lowest temperatures will be recorded between 24.8°F and 41°F.
Sunday through Tuesday, with the highest temperature of 66.2°F, will be the warmest days in Sumpter; with the highest temperature of 46.4°F, next Saturday will be the coldest day.
Updated: Oct 18, 2026 @ 02:12:36 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, occasional cloudiness will be present, but there will still be plenty of sun.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be significantly higher than the average highest temperature of 55.2°F in October. The lowest temperature will be in line with the average low of 36.5°F.
The maximum temperature will be significantly higher than the average highest temperature of 55.2°F in October. The lowest temperature will be in line with the average low of 36.5°F.
On Sunday, in Sumpter, sunrise will be at 7:12 am and sunset at 6:03 pm (PDT).
In Sumpter, the length of the day tomorrow will be 10h and 50min.
