Weather forecast for todayGranite City, IL

Weather forecast for today

Current condition 11:30 am CDT

  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 0mphNE 40°
  • Humidity: 47%
  • Dewpoint: 48°F
  • Pressure: 30.26"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
In Granite City, currently, the weather is sunny with a crisp, clear sky.
The temperature is a delightful 71.6°F. The current temperature is only a few degrees off the maximum of 77°F for the day.

Thursday Oct 22, 2026

  • 77°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 53°
  • Humidity: 38%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
Today, on Thursday, October 22, skies will stay clear and sunny.
Significant variations in temperature are anticipated, peaking at a moderately hot 77°F and dropping to a low of a frosty 48.2°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 79.3°F, not October's.
Sunrise was at 7:17 am and sunset will be at 6:12 pm; the daylight will last for 10h and 56min.

Hourly overview

Hourly temperatures

Warmest hour: 2 pm 77°C.
Coldest hour: 2 am 54°C.

Chance of precipitation

Highest chance: 2 am 3%.

Hourly weather forecast

  • 12 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphNE 37°
  • Humidity: 43%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 61°
  • Humidity: 38%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 78°
  • Humidity: 35%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 33°
  • Humidity: 33%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 54°
  • Humidity: 33%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 59°
  • Humidity: 36%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 60°
  • Humidity: 43%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:12 pm
  • 7 pm
  • 66°F
  • Feels like:
    66°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 59°
  • Humidity: 54%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 72°
  • Humidity: 63%
  • Pressure: 30.18"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 9 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 0mphENE 77°
  • Humidity: 69%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 59°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 0mphE 90°
  • Humidity: 74%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 11 pm
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 85°
  • Humidity: 75%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Today, sunny conditions are likely to prevail.
The temperature will be between the lowest temperature of 57.2°F and the highest temperature of 77°F. The warmest part of the day will be at 2 pm and 3 pm.
The highest temperature is more comparable to September's average maximum of 79.3°F than October's usual of 66.2°F. The expected low will be in line with the average minimum in October, which is 49.3°F.
Updated: Oct 22, 2026 @ 16:30:28 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (11:30 am CDT) in Granite City is 71.6°F.

On Thursday, sunshine and minimal clouds are in the outlook.

Today, the highest temperature will be 77°F, while the lowest temperature will be 48.2°F.
The maximum temperature will be significantly higher than the average highest temperature of 66.2°F in October. The lowest temperature will be in line with the average low of 49.3°F.

On Thursday, in Granite City, sunrise was at 7:17 am and sunset will be at 6:12 pm (CDT).

In Granite City, today, there will be 10h and 56min of daylight.