Weather forecast for todayGranite City, IL

Weather forecast for today

Current condition 1:53 pm CDT

  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 1mphE 90°
  • Humidity: 32%
  • Dewpoint: 46°F
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 4
  • ▼
In Granite City, currently, no clouds in the sky, just uninterrupted sunshine.
The temperature is a moderately hot 78.8°F. The current temperature is the maximum expected temperature for today.

Thursday Oct 22, 2026

  • 79°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 52°
  • Humidity: 34%
  • UV index: 4
  • Sunrise: 7:17 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
Today, conditions remain stable and sunny, with little cloud presence.
Substantial temperature variations are expected, soaring to a maximum of a moderately hot 78.8°F and descending to a minimum of a brisk 48.2°F.
Forecasts show a high closer to September's climate pattern, around 79.3°F, rather than October's 66.2°F.
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 79°C.
Coldest hour: 11 pm 55°C.

Chance of precipitation

Highest chance: 10 pm - 11 pm 1%.

Hourly weather forecast

  • 2 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 72°
  • Humidity: 33%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 32°
  • Humidity: 32%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 54°
  • Humidity: 32%
  • 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 58°
  • Humidity: 35%
  • 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: 1mphENE 56°
  • Humidity: 42%
  • Pressure: 30.18"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunset: 6:12 pm
  • 7 pm
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphNE 53°
  • Humidity: 56%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 69°
  • Humidity: 66%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 59°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 72°
  • 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: 0mphE 90°
  • Humidity: 77%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 11 pm
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 84°
  • Humidity: 80%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
For the rest of Thursday, sunny conditions are likely to prevail.
The temperature will be between the highest temperature of 78.8°F and the lowest temperature of 55.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The day’s peak temperature will reflect September's norm of 79.3°F more than October's 66.2°F. The night temperature will be comparable to the standard October low of 49.3°F.
Updated: Oct 22, 2026 @ 18:53:59 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (1:53 pm CDT) it is 78.8°F in Granite City.

Today, in Granite City, bright and sunny weather is expected.

Today, the maximum temperature in Granite City will be 78.8°F, while the minimum temperature will be 48.2°F.
The highest temperature will be uncommonly 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 was at 7:17 am and sunset will be at 6:12 pm (CDT).

In Granite City, the length of the day today will be 10h and 56min.