Weather forecast for tomorrow
Chatham, IL

Weather forecast for tomorrow

Monday, Jun 16.

Mostly Cloudy
5:28 am

8:30 pm
CDT
Mostly Cloudy
81°F / 66°F
  • Wind: 6mph ESE
  • Humidity: 78%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 6
Tomorrow, in Chatham, expect mainly cloudy weather with limited sun.
The highest temperature will be a temperate 80.6°F, while the lowest temperature will be a breezy 66.2°F.
The maximum heat index, which modifies the air temperature to account for humidity, is computed to be a tropical 86°F. Note that heat index values are valued for light wind and location in the shade.
The forecasted daytime maximum should align with the typical June high of 81.1°F.
Sunrise will be at 5:28 am and sunset at 8:30 pm; tomorrow's daylight will last for 15h and 1min.

Frequently asked questions

What is the weather forecast for Chatham for tomorrow?
On Monday, in Chatham, limited brightness is expected due to persistent clouds.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature in Chatham will be 80.6°F, while the minimum temperature will be 66.2°F. The maximum heat index, which combines relative humidity and air temperature, is assessed at 86°F.
The highest temperature will be in line with the average maximum of 81.1°F in June. The lowest temperature will be also in line with the average low of 64.8°F.
What time are sunrise and sunset tomorrow?
On Monday, in Chatham, sunrise will be at 5:28 am and sunset at 8:30 pm (CDT).
How long will the day be tomorrow?
In Chatham, the length of the day tomorrow will be 15h and 1min.

Hourly weather forecast

12 am
  • 72°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph E
  • Pressure: 29.97"Hg
  • Humidity: 87%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 70°F
  • Feels like:
    72°F
Cloudy
Cloudy
  • Wind: 4mph ESE
  • Pressure: 29.97"Hg
  • Humidity: 90%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 68°F
  • Feels like:
    70°F
Cloudy
Cloudy
  • Wind: 2mph E
  • Pressure: 29.97"Hg
  • Humidity: 95%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 9mi
Sunrise: 5:28 am
6 am
  • 68°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 3mph ENE
  • Pressure: 29.94"Hg
  • Humidity: 95%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 6mi
8 am
  • 72°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 3mph E
  • Pressure: 29.94"Hg
  • Humidity: 91%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 9mi
10 am
  • 75°F
  • Feels like:
    79°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph ESE
  • Pressure: 29.94"Hg
  • Humidity: 81%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 79°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph ESE
  • Pressure: 29.91"Hg
  • Humidity: 74%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 81°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Wind: 6mph SE
  • Pressure: 29.88"Hg
  • Humidity: 70%
  • Precip. probability: 19%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 79°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Wind: 5mph SE
  • Pressure: 29.85"Hg
  • Humidity: 71%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 81°F
  • Feels like:
    84°F
Cloudy
Cloudy
  • Wind: 5mph SE
  • Pressure: 29.83"Hg
  • Humidity: 72%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 77°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 3mph SSE
  • Pressure: 29.83"Hg
  • Humidity: 80%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:30 pm
10 pm
  • 72°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph SSE
  • Pressure: 29.83"Hg
  • Humidity: 90%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, gray skies are likely.
The temperature will vary between the lowest temperature of 68°F and the highest temperature of 80.6°F. The warmest part of the day will be at 2 pm, 3 pm, 5 pm and 6 pm.
The maximum temperature will be in line with June's average highest temperature of 81.1°F. The temperature low is forecasted to be also similar to the usual June value of 64.8°F.
Updated: Jun 15, 2025 @ 19:28:07 UTC
Published by: Weather U.S. | About Us
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