Weather forecast for todayGranite City, IL

Weather forecast for today

Current condition 11:26 am CDT

  • 55°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 4mphNE 40°
  • Humidity: 55%
  • Dewpoint: 39°F
  • Pressure: 30.56"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
Currently, a cloudless sky and warm sun dominate the day.
The temperature is a moderate 55.4°F, with the feels-like temperature closely matching at 53.6°F. The current temperature is only a few degrees off the today's maximum of 60.8°F.

Saturday Oct 17, 2026

  • 61°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNNE 15°
  • Humidity: 45%
  • UV index: 5
  • Sunrise: 7:12 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
Today, on Saturday, October 17, a sun-drenched sky is anticipated.
The temperature will fluctuate from a high of an enjoyable 60.8°F to a low of a wintry 37.4°F.
The temperature is anticipated to be a couple of degrees lower than the standard October peak of 66.2°F.
Sunrise was at 7:12 am and sunset will be at 6:19 pm; the daylight will last for 11h and 8min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 59°C.
Coldest hour: 2 am 41°C.

Chance of precipitation

Highest chance: 2 am 3%.

Hourly weather forecast

  • 12 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphNNE 23°
  • Humidity: 51%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 12°
  • Humidity: 46%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 13°
  • Humidity: 43%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphN 1°
  • Humidity: 40%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphN 3°
  • Humidity: 39%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 13°
  • Humidity: 39%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 47°
  • Humidity: 46%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:19 pm
  • 7 pm
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 72°
  • Humidity: 58%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphESE 102°
  • Humidity: 65%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphESE 107°
  • Humidity: 71%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSE 132°
  • Humidity: 77%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSE 140°
  • Humidity: 81%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Granite City, primarily bright and sunny weather is anticipated.
The temperature will be between the lowest temperature of 44.6°F and the highest temperature of 59°F. The warmest part of the day will be from 2 pm to 5 pm.
Today, the temperature is expected to be relatively lower than October's normal maximum of 66.2°F. Today, expect the temperature to be more consistent with the typical minimum for November than for October.
Updated: Oct 17, 2026 @ 16:26:07 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (11:26 am CDT) in Granite City is 55.4°F.

Today, sunshine and minimal clouds are in the outlook.

Today, the maximum temperature will be 60.8°F, while the minimum temperature will be 37.4°F.
The highest temperature today will be a couple of degrees lower than the average maximum temperature in October. Today, the lowest temperature will be uncommonly lower than the average low of 49.3°F.

On Saturday, in Granite City, sunrise was at 7:12 am and sunset will be at 6:19 pm (CDT).

Today, the daylight will last for 11h and 8min.