Weather forecast for 10 daysGrantsburg, WI
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphSSW 209°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:31 am CDT
- Sunset: 6:19 pm CDT
- details ▼
On Sunday, in Grantsburg, clouds and sunshine will create a dynamic sky throughout the day.
Temperatures are predicted to move from a peak of a comfortable 66.2°F to a low of a cold 37.4°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 69.3°F.
Sunrise will be at 7:31 am and sunset at 6:19 pm; the daylight will last for 10h and 48min.
Temperatures are predicted to move from a peak of a comfortable 66.2°F to a low of a cold 37.4°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 69.3°F.
Sunrise will be at 7:31 am and sunset at 6:19 pm; the daylight will last for 10h and 48min.
10-day overview
Daily temperatures
Warmest period: Thursday - Friday 72°C.
Coldest day: Monday 26.10. 59°C.
Coldest day: Monday 26.10. 59°C.
Chance of precipitation
Highest chance: Saturday 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphSSW 209°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:31 am CDT
- Sunset: 6:19 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 37°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphE 81°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:33 am CDT
- Sunset: 6:18 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 45°F
Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 9mphSSE 159°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:34 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 41°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphSSW 200°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:35 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 50°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 5mphESE 115°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:37 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 57°F
Mostly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 12mphSSE 154°
- Humidity: 61%
- UV index: 2
- Sunrise: 7:38 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 68°F
- 48°F
Cloudy
- Precip. probability: 24%
- Precipitation: 0.04"
- Wind: 15mphS 182°
- Humidity: 57%
- UV index: 2
- Sunrise: 7:39 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 39°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 7mphWNW 284°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:41 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 59°F
- 43°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 7mphESE 102°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:42 am CDT
- Sunset: 6:06 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 61°F
- 46°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0.08"
- Wind: 9mphSE 134°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:44 am CDT
- Sunset: 6:04 pm CDT
- details ▼
During the upcoming ten-day period, a combination of overcast and sunny weather is expected.
Rain is expected on Saturday and next Tuesday.
Substantial differences in temperature are forecasted in the coming days. Highs will range from 59°F to 71.6°F, while the lowest night temperatures will vary also significantly, as temperatures overnight will fluctuate from 37.4°F up to 57.2°F.
The warmest days in Grantsburg, Wisconsin, will be Thursday and Friday, with a maximum of 71.6°F; with the highest temperature of 59°F, next Monday will be the coldest day.
Rain is expected on Saturday and next Tuesday.
Substantial differences in temperature are forecasted in the coming days. Highs will range from 59°F to 71.6°F, while the lowest night temperatures will vary also significantly, as temperatures overnight will fluctuate from 37.4°F up to 57.2°F.
The warmest days in Grantsburg, Wisconsin, will be Thursday and Friday, with a maximum of 71.6°F; with the highest temperature of 59°F, next Monday will be the coldest day.
Updated: Oct 18, 2026 @ 10:53:40 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
On Sunday, in Grantsburg, sunlight and clouds will take turns dominating the sky.
Today, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The highest temperature today will be uncommonly higher than the average maximum of 53.1°F in October. Today, the lowest temperature will be in line with the average low temperature.
The highest temperature today will be uncommonly higher than the average maximum of 53.1°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Grantsburg, sunrise will be at 7:31 am and sunset at 6:19 pm (CDT).
In Grantsburg, the length of the day today will be 10h and 48min.
