Weather forecast for todayGranite City, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 5:45 am CDT

  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphSSE 150°
  • Humidity: 87%
  • Dewpoint: 46°F
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Granite City, at the moment, pristine clear weather creates an ideal outdoor setting.
The temperature is a fresh 50°F. The current temperature is almost at the minimum-anticipated 46.4°F for today.

Thursday Oct 22, 2026

  • 77°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNNE 27°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
On Thursday, October 22, skies will stay clear and sunny.
A stark contrast will be evident between the daytime peak temperature of a warm 77°F and the nighttime low of a brisk 46.4°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 79.3°F, not October's.
Sunrise will be at 7:17 am and sunset at 6:12 pm; the daylight will last for 10h and 56min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 75°C.
Coldest period: 6 am - 8 am 50°C.

Chance of precipitation

Highest chance: 2%.

Hourly weather forecast

  • 6 am
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphN 352°
  • Humidity: 88%
  • Pressure: 30.21"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Sunrise: 7:17 am
  • 8 am
  • 50°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphN 0°
  • Humidity: 91%
  • Pressure: 30.24"Hg
  • Visibility: 2mi
  • UV index: 0
  • ▼
  • 10 am
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphN 8°
  • Humidity: 64%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 47°
  • Humidity: 44%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 61°
  • Humidity: 35%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 44°
  • Humidity: 33%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 61°
  • Humidity: 43%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:12 pm
  • 8 pm
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 76°
  • Humidity: 64%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 59°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 96°
  • Humidity: 75%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Today, in Granite City, clear skies and sunny weather are expected.
The temperature will be between the highest temperature of 77°F and the lowest temperature of 48.2°F. The warmest part of the day is anticipated around 3 pm.
The temperature will feel more comparable to September's average high than the expected maximum for October. The temperature low is forecasted to be alike with the usual October value of 49.3°F.
Updated: Oct 22, 2026 @ 10:45:27 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 5:45 am CDT is 50°F.

Today, bright and sunny weather is expected.

Today, the maximum temperature in Granite City will be 77°F, while the minimum temperature will be 46.4°F.
The maximum temperature will be notably 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 will be at 7:17 am and sunset at 6:12 pm (CDT).

In Granite City, the length of the day today will be 10h and 56min.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Granite City, Illinois, USA

  • en: Granite City, Illinois, USA
  • es: Granite City, Illinois, EE.UU.
  • hr: Granit Siti, Ilinois, SAD
  • mk: 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: 5:45am CDT
  • Sunrise: 7:17 am CDT
  • Sunset: 6:12 pm CDT
  • Timezone: America/Chicago

Nearby Granite City, Illinois, USA

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