Weather forecast for 10 daysSumner, WI

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 13mphSSW 200°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:27 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
Today, sunshine will lead the day, with clouds making only brief appearances.
The temperature is expected to vary significantly from a high of a breezy 66.2°F to a low of a wintry 37.4°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 68.9°F, not October's.
Sunrise will be at 7:27 am and sunset at 6:16 pm; the daylight will last for 10h and 49min.

10-day overview

Daily temperatures

Warmest period: Thursday - Saturday 72°C.
Coldest day: Tuesday 27.10. 59°C.

Chance of precipitation

Highest chance: 24%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 66°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 13mphSSW 200°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:27 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 4mphESE 118°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 7:28 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 66°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 7mphSSE 148°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:29 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 70°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphS 185°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:31 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 4mphESE 120°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:32 am CDT
  • Sunset: 6:09 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 72°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 11mphSSE 148°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:33 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 72°F
  • 50°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 14mphSSE 167°
  • Humidity: 55%
  • UV index: 2
  • Sunrise: 7:35 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 63°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 8mphWSW 256°
  • Humidity: 62%
  • UV index: 2
  • Sunrise: 7:36 am CDT
  • Sunset: 6:04 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 61°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 5mphESE 109°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 7:37 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 59°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 8mphSE 132°
  • Humidity: 70%
  • UV index: 2
  • Sunrise: 7:39 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
For the next ten days, a combination of cloudy and dry and sunny weather is expected.
Rainfall is not forecasted in Sumner in the upcoming period.
Temperature variation will be noticeable in the next ten days. The maximum temperature will vary between 59°F and 71.6°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 37.4°F and 53.6°F.
Thursday through Saturday, with the highest temperature of 71.6°F, will be the warmest days; next Tuesday will be the coldest day, with the highest temperature of 59°F.
Updated: Oct 18, 2026 @ 06:06:23 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Sumner, a pleasant, mostly sunny outlook is in place.

Today, the maximum temperature in Sumner will be 66.2°F, while the minimum temperature will be 37.4°F.
The highest temperature will be notably higher than the average maximum of 53.2°F in October. The lowest temperature will be in line with the average low of 38.3°F.

On Sunday, in Sumner, sunrise will be at 7:27 am and sunset at 6:16 pm (CDT).

In Sumner, today, there will be 10h and 49min of daylight.