Weather forecast for tomorrow
Raritan, IL

Weather forecast for tomorrow

Friday, Jun 20.

AM Clouds / PM Sun
5:30 am

8:39 pm
CDT
AM Clouds / PM Sun
90°F / 75°F
  • Wind: 19mph S
  • Humidity: 69%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 8
On Friday, June 20, the morning may feel gloomy and gray, but the sun will break through later in the day.
The temperature scale will run from a maximum of a blazing 89.6°F to a minimum of a temperate 75.2°F.
The maximum heat index, which combines relative humidity and air temperature, is estimated at an extremely hot 104°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Forecast models suggest hotter conditions, with a peak that mirrors July's climate average rather than June's.
Sunrise will be at 5:30 am and sunset at 8:39 pm; tomorrow's daylight will last for 15h and 9min.

Frequently asked questions

What is the weather forecast for Raritan for tomorrow?
Tomorrow, the morning will be overcast, but sunny conditions will take over by the afternoon.
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 calculates the temperature value influenced by the moisture in the air, is appraised at 104°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 80.4°F in June. The lowest temperature will be also uncommonly higher than the average low of 63.7°F.
When is the sunrise / sunset tomorrow?
On Friday, in Raritan, sunrise will be at 5:30 am and sunset at 8:39 pm (CDT).
How many hours of daylight will Raritan have tomorrow?
Tomorrow, the daylight will last for 15h and 9min.

Hourly weather forecast

12 am
  • 68°F
  • Feels like:
    68°F
Mostly Clear
Mostly Clear
  • Wind: 5mph SSW
  • Pressure: 29.94"Hg
  • Humidity: 83%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SSW
  • Pressure: 29.94"Hg
  • Humidity: 86%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 66°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SSW
  • Pressure: 29.91"Hg
  • Humidity: 84%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:30 am
6 am
  • 66°F
  • Feels like:
    68°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph SSW
  • Pressure: 29.91"Hg
  • Humidity: 84%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 72°F
  • Feels like:
    72°F
Cloudy
Cloudy
  • Wind: 8mph S
  • Pressure: 29.94"Hg
  • Humidity: 79%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 75°F
  • Feels like:
    77°F
Cloudy
Cloudy
  • Wind: 11mph S
  • Pressure: 29.91"Hg
  • Humidity: 72%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 79°F
  • Feels like:
    82°F
Cloudy
Cloudy
  • Wind: 14mph S
  • Pressure: 29.88"Hg
  • Humidity: 66%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 84°F
  • Feels like:
    90°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph S
  • Pressure: 29.83"Hg
  • Humidity: 62%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 86°F
  • Feels like:
    93°F
Sunny
Sunny
  • Wind: 19mph S
  • Pressure: 29.8"Hg
  • Humidity: 63%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 88°F
  • Feels like:
    97°F
Sunny
Sunny
  • Wind: 17mph SSW
  • Pressure: 29.74"Hg
  • Humidity: 65%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 84°F
  • Feels like:
    91°F
Sunny
Sunny
  • Wind: 14mph S
  • Pressure: 29.74"Hg
  • Humidity: 71%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:39 pm
10 pm
  • 81°F
  • Feels like:
    88°F
Clear
Clear
  • Wind: 14mph S
  • Pressure: 29.77"Hg
  • Humidity: 76%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, on Friday, a combination of cloud-filled, mostly clear and rain-soaked weather is predicted.
With a 36% probability, minimal rainfall is forecasted at 9 am.
The temperature will be between a minimum of 66.2°F and a maximum of 87.8°F. The feels-like temperature will vary between a minimum of 68°F and a maximum of 96.8°F. The hottest part of the day will be at 5 pm and 6 pm.
The expected temperature aligns more with July's average high than with June's 80.4°F. The lowest temperature is also more similar to July's average minimum of 66.2°F than the usual minimum of 63.7°F in June.
Updated: Jun 19, 2025 @ 22:36:17 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate
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