Weather forecast for tomorrow
South Jacksonville, IL

Weather forecast for tomorrow

Friday, Jun 20.

Partly Cloudy
5:31 am

8:33 pm
CDT
Partly Cloudy
90°F / 75°F
  • Wind: 14mph S
  • Humidity: 64%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 9
Tomorrow, in South Jacksonville, expect partly sunny skies with periods of cloudiness.
Forecasted temperatures will peak at a tropical 89.6°F and dip to a minimum of a warm 75.2°F.
The maximum heat index, which combines relative humidity and air temperature, is estimated at a steamy 100.4°F. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The temperature of 89.6°F reflects July's climate better than June's.
Sunrise will be at 5:31 am and sunset at 8:33 pm; tomorrow's daylight will last for 15h and 2min.

Frequently asked questions

What is the weather forecast for South Jacksonville for tomorrow?
Tomorrow, in South Jacksonville, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 89.6°F, while the minimum temperature will be 75.2°F. The maximum heat index, which combines air temperature and relative humidity, is estimated at 100.4°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 81.5°F in June. The lowest temperature will be uncommonly higher than the average low of 64.6°F.
What time are sunrise and sunset tomorrow?
On Friday, in South Jacksonville, sunrise will be at 5:31 am and sunset at 8:33 pm (CDT).
How long will the day be tomorrow?
In South Jacksonville, the length of the day tomorrow will be 15h and 2min.

Hourly weather forecast

12 am
  • 68°F
  • Feels like:
    70°F
Clear
Clear
  • Wind: 4mph S
  • Pressure: 29.97"Hg
  • Humidity: 84%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Wind: 6mph SSW
  • Pressure: 29.97"Hg
  • Humidity: 87%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 66°F
  • Feels like:
    68°F
Mostly Clear
Mostly Clear
  • Wind: 6mph S
  • Pressure: 29.97"Hg
  • Humidity: 89%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:31 am
6 am
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Wind: 6mph S
  • Pressure: 29.97"Hg
  • Humidity: 87%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 72°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph S
  • Pressure: 29.97"Hg
  • Humidity: 81%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 79°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph S
  • Pressure: 29.97"Hg
  • Humidity: 68%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 82°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph S
  • Pressure: 29.94"Hg
  • Humidity: 60%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 84°F
  • Feels like:
    90°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph S
  • Pressure: 29.91"Hg
  • Humidity: 57%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 86°F
  • Feels like:
    91°F
Mostly Sunny
Mostly Sunny
  • Wind: 14mph S
  • Pressure: 29.88"Hg
  • Humidity: 57%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 88°F
  • Feels like:
    93°F
Sunny
Sunny
  • Wind: 13mph S
  • Pressure: 29.83"Hg
  • Humidity: 57%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 84°F
  • Feels like:
    90°F
Sunny
Sunny
  • Wind: 12mph S
  • Pressure: 29.83"Hg
  • Humidity: 66%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:33 pm
10 pm
  • 79°F
  • Feels like:
    84°F
Clear
Clear
  • Wind: 11mph S
  • Pressure: 29.85"Hg
  • Humidity: 76%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, a combination of bright and cloudy weather is forecasted.
The temperature will vary between a minimum of 66.2°F and a maximum of 87.8°F. The hottest part of the day is expected around 6 pm.
The maximum temperature will be more consistent with July's average high of 83.3°F than June's 81.5°F. The lowest temperature is also more similar to July's average minimum of 66.7°F than the usual minimum of 64.6°F in June.
Updated: Jun 19, 2025 @ 08:34:21 UTC
Published by: Weather U.S. | About Us
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