Weather forecast for todayGranite City, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 4:34 am CDT

  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphSSE 160°
  • Humidity: 85%
  • Dewpoint: 46°F
  • Pressure: 30.23"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Currently, in Granite City, perfect weather prevails with no clouds and a clear sky overhead.
The temperature is a cool 50°F. The current temperature is near the lowest predicted 46.4°F for today.

Thursday Oct 22, 2026

  • 77°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNNE 25°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
Today, on Thursday, October 22, clear skies and sunshine are anticipated.
Dramatic changes in temperature are forecasted, reaching a high of a warm 77°F and falling to a low of a chilly 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 hour: 3 pm 77°C.
Coldest hour: 7 am 48°C.

Chance of precipitation

Highest chance: 5 am - 9 am 2%.

Hourly weather forecast

  • 6 am
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphN 0°
  • Humidity: 87%
  • 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: 93%
  • Pressure: 30.24"Hg
  • Visibility: 3mi
  • 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 36°
  • 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 75°
  • 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 39°
  • Humidity: 34%
  • 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 66°
  • 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 78°
  • Humidity: 65%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 90°
  • Humidity: 75%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Today, in Granite City, sunshine is expected.
The temperature will vary between the lowest temperature of 48.2°F and the highest temperature of 77°F. The warmest part of the day is expected around 3 pm.
The maximum temperature will align more closely with September's average high of 79.3°F than with October's 66.2°F. The temperature low is forecasted to be comparable to the usual October value of 49.3°F.
Updated: Oct 22, 2026 @ 09:34:22 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (4:34 am CDT) is 50°F.

Today, in Granite City, expect sunny weather with a crisp, clear sky.

Today, the highest temperature will be 77°F, while the lowest 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, today, there will be 10h and 56min of daylight.
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: 4:34am CDT
  • Sunrise: 7:17 am CDT
  • Sunset: 6:12 pm CDT
  • Timezone: America/Chicago

Nearby Granite City, Illinois, USA

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