Weather forecast for todayGranite City, IL

Weather forecast for today

Current condition 9:06 am CDT

  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 0mphS 190°
  • Humidity: 76%
  • Dewpoint: 52°F
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
In Granite City, at the moment, the sky is clear with no clouds in sight.
The temperature is a mild 59°F. The current temperature is relatively far from the maximum of 77°F predicted for today.

Thursday Oct 22, 2026

  • 77°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphNE 40°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
Today, in Granite City, the outlook remains bright and sunny.
Significant temperature fluctuations from a high of a moderately hot 77°F to a low of a chilly 46.4°F are expected.
The higher temperature of 77°F is more typical of September than October.
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 period: 2 pm - 4 pm 75°C.
Coldest hour: 12 am 55°C.

Chance of precipitation

Highest chance: 2%.

Hourly weather forecast

  • 10 am
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphNNE 16°
  • Humidity: 66%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 11 am
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphNNE 27°
  • Humidity: 54%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 50°
  • Humidity: 44%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 73°F
  • Feels like:
    73°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 66°
  • Humidity: 39%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 66°
  • Humidity: 35%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 21°
  • 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 44°
  • 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: 2mphNE 47°
  • 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 65°
  • Humidity: 55%
  • 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 76°
  • Humidity: 65%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 9 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 0mphE 79°
  • Humidity: 71%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 96°
  • Humidity: 76%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 11 pm
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphE 85°
  • Humidity: 76%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Today, bright and mostly sunny weather is expected.
The temperature will be between a minimum of 57.2°F and a maximum of 77°F. The warmest part of the day will be around 3 pm.
The highest temperature is more consistent with September's average maximum of 79.3°F than October's usual of 66.2°F. The lowest temperature is comparable to October's typical minimum of 49.3°F.
Updated: Oct 22, 2026 @ 14:06:59 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (9:06 am CDT) is 59°F.

On Thursday, expect consistent sunshine and open skies.

Today, the highest temperature will be 77°F, while the lowest temperature will be 46.4°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).

Today in Granite City, the daylight will last for 10h and 56min.