Weather forecast for tomorrow
Grantsburg, WI

Weather forecast for tomorrow

Thursday, Jun 19.

Partly Cloudy
5:18 am

9:05 pm
CDT
Partly Cloudy
82°F / 63°F
  • Wind: 8mph WSW
  • Humidity: 61%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 8
On Thursday, in Grantsburg, moderate cloud cover will mix with sunshine throughout the day.
Temperature fluctuations between a warm 82.4°F and a breezy 62.6°F are anticipated.
The maximum heat index, which adjusts the air temperature based on humidity, is estimated at a blazing 86°F. Note that heat index values are valued for light wind and location in the shade.
Forecast models suggest warmer conditions, with a peak that mirrors July's climate average rather than June's.
Sunrise will be at 5:18 am and sunset at 9:05 pm; tomorrow's daylight will last for 15h and 47min.

Frequently asked questions

What is the weather forecast for Grantsburg for tomorrow?
On Thursday, occasional clouds will pass by, but expect bright spells.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 62.6°F. The maximum heat index, which combines relative humidity and air temperature, is appraised at 86°F.
The maximum temperature will be moderately higher than the average highest temperature of 73.6°F in June. The lowest temperature will be also slightly warmer than the average low of 55°F.
What time are sunrise and sunset tomorrow?
On Thursday, in Grantsburg, sunrise will be at 5:18 am and sunset at 9:05 pm (CDT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 15h and 47min.

Hourly weather forecast

12 am
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Wind: 1mph W
  • Pressure: 29.8"Hg
  • Humidity: 87%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 59°F
  • Feels like:
    59°F
Clear
Clear
  • Wind: 1mph W
  • Pressure: 29.8"Hg
  • Humidity: 92%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Wind: 1mph WSW
  • Pressure: 29.83"Hg
  • Humidity: 94%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:18 am
6 am
  • 57°F
  • Feels like:
    57°F
Few Showers
Few Showers
  • Wind: 1mph WSW
  • Pressure: 29.83"Hg
  • Humidity: 93%
  • Precip. probability: 31%
  • Precipitation: 0.08"
  • Visibility: 10mi
8 am
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Wind: 2mph WSW
  • Pressure: 29.85"Hg
  • Humidity: 80%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Wind: 4mph WSW
  • Pressure: 29.85"Hg
  • Humidity: 65%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 77°F
  • Feels like:
    81°F
Sunny
Sunny
  • Wind: 6mph WSW
  • Pressure: 29.83"Hg
  • Humidity: 55%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 81°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph WSW
  • Pressure: 29.8"Hg
  • Humidity: 51%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 81°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph SW
  • Pressure: 29.77"Hg
  • Humidity: 49%
  • Precip. probability: 20%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 81°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph SW
  • Pressure: 29.77"Hg
  • Humidity: 52%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 75°F
  • Feels like:
    75°F
Mostly Sunny
Mostly Sunny
  • Wind: 4mph SW
  • Pressure: 29.77"Hg
  • Humidity: 63%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 9:05 pm
10 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 3mph S
  • Pressure: 29.77"Hg
  • Humidity: 80%
  • Precip. probability: 14%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, weather will be unstable, and a combination of primarily cloudy and occasionally sunny, damp and thunderstorm-prone weather is predicted.
Rain is anticipated at 6 am, 7 am and 11 pm. With light precipitation of 0.08", most rainfall is expected at 6 am.
The temperature will be between a minimum of 57.2°F and a maximum of 82.4°F. The warmest part of the day is expected around 5 pm.
The expected temperature aligns more with July's average high than with June's 73.6°F. The expected low will be also more in line with what’s common in July than the current June average of 55°F.
Updated: Jun 18, 2025 @ 06:58:48 UTC
Published by: Weather U.S. | About Us
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