Weather forecast for today
Granite City, IL

Weather forecast for today

Sunday, Jun 15.

Partly Cloudy
5:33 am

8:28 pm
CDT
Partly Cloudy
84°F / 70°F
  • Wind: 7mph NNE
  • Humidity: 60%
  • Precip. probability: 2%
  • Precipitation: 0.04"
  • UV index: 9
Today, on Sunday, June 15, the sky will feature a blend of clouds and sunshine.
Minimal precipitation is expected. The temperature is forecasted to vary between a temperate 84.2°F and a pleasant 69.8°F.
The maximum heat index, which adjusts the air temperature based on humidity, is estimated at a humid 87.8°F. Note that heat index values are valued for light wind and location in the shade.
June's usual high of 83.8°F is predicted to be matched by the day’s maximum temperature.
Sunrise was at 5:33 am and sunset will be at 8:28 pm; the daylight will last for 14h and 55min.

Current condition

Fair
8:52 am CDT
Fair
  • 79°F
  • Feels like: 79°F
  • Wind: 4mph ENE
  • Humidity: 68%
  • Dewpoint: 66°F
  • Pressure: 30.04"Hg
  • Precipitation: 0"
  • Visibility: 10mi
  • UV index: 3
At the moment, in Granite City, high pressure continues to sustain fair conditions across the region.
The temperature is a temperate 78.8°F. The current temperature is only a few degrees off the highest temperature of the day.

Weather radar - Granite City, IL

Doppler radar displays precipitation for the past 2h and forecasts the next 30min

Frequently asked questions

What is the current temperature?
Currently (8:52 am CDT) it is 78.8°F in Granite City.
What is the weather forecast for Granite City for today?
On Sunday, the sky will feature a blend of clouds and sunshine.
Will it rain today?
Today, there is a low probability of minimal rainfall in Granite City.
What will be the highest temperature today?
Today, the highest temperature will be 84.2°F, while the lowest temperature will be 69.8°F. The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be 87.8°F.
The highest temperature today will be in line with the average maximum temperature in June. The lowest temperature will be also in line with the average low of 66.7°F.
When are sunrise and sunset today?
On Sunday, in Granite City, sunrise was at 5:33 am and sunset will be at 8:28 pm (CDT).
How long is the day today?
Today, the daylight will last for 14h and 55min.

Hourly weather forecast

9 am
  • 79°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph NE
  • Pressure: 30.03"Hg
  • Humidity: 66%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 81°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 3mph NE
  • Pressure: 30.03"Hg
  • Humidity: 64%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
11 am
  • 82°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph NNE
  • Pressure: 30.03"Hg
  • Humidity: 61%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 81°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph NNE
  • Pressure: 30"Hg
  • Humidity: 63%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
1 pm
  • 81°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph NNE
  • Pressure: 30"Hg
  • Humidity: 60%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 82°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph NNE
  • Pressure: 29.97"Hg
  • Humidity: 57%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
3 pm
  • 84°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph NNE
  • Pressure: 29.97"Hg
  • Humidity: 55%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 84°F
  • Feels like:
    88°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph NNE
  • Pressure: 29.94"Hg
  • Humidity: 55%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
5 pm
  • 84°F
  • Feels like:
    88°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph NNE
  • Pressure: 29.94"Hg
  • Humidity: 56%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 82°F
  • Feels like:
    86°F
Cloudy
Cloudy
  • Wind: 7mph NE
  • Pressure: 29.94"Hg
  • Humidity: 58%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
7 pm
  • 82°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph NE
  • Pressure: 29.94"Hg
  • Humidity: 60%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 79°F
  • Feels like:
    82°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph NE
  • Pressure: 29.94"Hg
  • Humidity: 66%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:28 pm
9 pm
  • 77°F
  • Feels like:
    81°F
Cloudy
Cloudy
  • Wind: 4mph ENE
  • Pressure: 29.94"Hg
  • Humidity: 72%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
10 pm
  • 75°F
  • Feels like:
    81°F
Cloudy
Cloudy
  • Wind: 4mph ENE
  • Pressure: 29.97"Hg
  • Humidity: 76%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
11 pm
  • 75°F
  • Feels like:
    77°F
Cloudy
Cloudy
  • Wind: 3mph ENE
  • Pressure: 29.94"Hg
  • Humidity: 80%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
Today, cloudy skies are expected.
The temperature will vary between the lowest temperature of 75.2°F and the highest temperature of 84.2°F. The hottest part of the day will be from 3 pm to 5 pm.
Today, the forecasted high aligns consistent with the average peak in June. Today, the lowest temperature will be also resembling June's usual minimum.
Updated: Jun 15, 2025 @ 13:52:09 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate

Granite City, Illinois, USA

  • en: Granite City, Illinois, USA
  • es: Granite City, Illinois, EE.UU.
  • hr: Granit Siti, Ilinois, SAD
  • sr: Granit Siti, Ilinois, SAD
  • zh: 格拉尼特城, 伊利诺伊, 美国
  • Latitude: 38.701439°
  • Longitude: -90.148720°
  • Elevation: 423 ft
  • Current time: 8:52am CDT
  • Sunrise: 5:33 am CDT
  • Sunset: 8:28 pm CDT
  • Timezone: America/Chicago
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