Weather forecast for todayGrantsburg, IL

Weather forecast for today

Current condition 4:33 am CDT

  • 37°F
  • Feels like:
    37°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphW 270°
  • Humidity: 97%
  • Dewpoint: 36°F
  • Pressure: 30.48"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, in Grantsburg, a cloudless and clear sky stretches as far as the eye can see.
The temperature is an icy 37.4°F. The current temperature is at the minimum anticipated for today.

Sunday Oct 18, 2026

  • 68°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphESE 120°
  • Humidity: 62%
  • UV index: 5
  • Sunrise: 7:06 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
Today, in Grantsburg, sunshine will likely continue with scattered clouds at most.
Significant temperature variations are anticipated, soaring to a maximum of a delightful 68°F and descending to a minimum of a cold 37.4°F.
Today's peak temperature is forecasted to align with October's common high of 67.8°F.
Sunrise will be at 7:06 am and sunset at 6:14 pm; the daylight will last for 11h and 8min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 66°C.
Coldest hour: 7 am 36°C.

Chance of precipitation

Highest chance: 11 pm 4%.

Hourly weather forecast

  • 6 am
  • 36°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphESE 102°
  • Humidity: 97%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:06 am
  • 8 am
  • 41°F
  • Feels like:
    41°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphSE 125°
  • Humidity: 95%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphESE 113°
  • Humidity: 59%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSE 129°
  • Humidity: 43%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSE 135°
  • Humidity: 36%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphSE 130°
  • Humidity: 33%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphESE 107°
  • Humidity: 45%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:14 pm
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 0mphE 98°
  • Humidity: 79%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 0mphE 98°
  • Humidity: 92%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Grantsburg, bright and mostly sunny weather is expected.
The temperature will vary between the lowest temperature of 35.6°F and the highest temperature of 66.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will be consistent with October's average highest temperature of 67.8°F. Forecast models suggest a low more in line with November's typical minimum of 38.8°F than October's usual 49.6°F.
Updated: Oct 18, 2026 @ 09:33:47 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 4:33 am CDT is 37.4°F.

On Sunday, sunny and dry conditions are anticipated.

Today, the maximum temperature will be 68°F, while the minimum temperature will be 37.4°F.
Today, the maximum temperature will be in line with the average highest temperature in October. Today, the lowest temperature will be notably lower than the average low of 49.6°F.

On Sunday, in Grantsburg, sunrise will be at 7:06 am and sunset at 6:14 pm (CDT).

In Grantsburg, today, there will be 11h and 8min of daylight.