Weather forecast for todayGranite City, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 3:12 am CDT

  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 0mphSSE 160°
  • Humidity: 84%
  • Dewpoint: 46°F
  • Pressure: 30.22"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
At the moment, the sky is a wide-open expanse of clear blue.
The temperature is a fresh 51.8°F. The current temperature is near the lowest expected 48.2°F for today.

Thursday Oct 22, 2026

  • 77°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNNE 31°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
Today, on Thursday, October 22, the forecast calls for abundant sunshine.
A remarkable high of a moderately hot 77°F during the day and a stark low of a chilly 48.2°F at night are predicted.
The forecast high of 77°F aligns more closely with September's typical high of 79.3°F than with October's usual 66.2°F.
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: 4 pm 77°C.
Coldest period: 6 am - 8 am 50°C.

Chance of precipitation

Highest chance: 4 am - 8 am 2%.

Hourly weather forecast

  • 4 am
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphN 355°
  • Humidity: 84%
  • Pressure: 30.21"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 6 am
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphN 0°
  • Humidity: 88%
  • Pressure: 30.24"Hg
  • Visibility: 7mi
  • 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: 95%
  • Pressure: 30.24"Hg
  • Visibility: 1mi
  • UV index: 0
  • ▼
  • 10 am
  • 61°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphN 9°
  • Humidity: 66%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 44°
  • 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 76°
  • Humidity: 35%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 77°F
  • Feels like:
    77°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 63°
  • Humidity: 41%
  • 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: 1mphE 79°
  • Humidity: 63%
  • 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 94°
  • Humidity: 73%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Today, bright skies and dry conditions are anticipated.
The temperature will be between a minimum of 48.2°F and a maximum of 77°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature will feel more in line with September's average high than the expected maximum for October. The expected low will be alike with the average minimum in October, which is 49.3°F.
Updated: Oct 22, 2026 @ 08:12:19 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 3:12 am CDT is 51.8°F.

Today, in Granite City, sunshine is expected with little to no cloud cover.

Today, the highest temperature will be 77°F, while the lowest temperature will be 48.2°F.
The highest temperature will be notably higher than the average maximum 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: 3:12am CDT
  • Sunrise: 7:17 am CDT
  • Sunset: 6:12 pm CDT
  • Timezone: America/Chicago

Nearby Granite City, Illinois, USA

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