Weather forecast for 10 daysGranite City, IL
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphSSE 159°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:13 am CDT
- Sunset: 6:18 pm CDT
- details ▼
Tomorrow, on Sunday, expect sunny weather with a crisp, clear sky.
The day's temperature range will span from a high of an enjoyable 66.2°F to a minimum of a cold 39.2°F.
The anticipated peak temperature will reflect the average October high of 66.2°F.
Sunrise will be at 7:13 am and sunset at 6:18 pm; tomorrow's daylight will last for 11h and 5min.
The day's temperature range will span from a high of an enjoyable 66.2°F to a minimum of a cold 39.2°F.
The anticipated peak temperature will reflect the average October high of 66.2°F.
Sunrise will be at 7:13 am and sunset at 6:18 pm; tomorrow's daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Warmest period: Saturday - Sunday 81°C.
Coldest day: tomorrow 66°C.
Coldest day: tomorrow 66°C.
Chance of precipitation
Highest chance: tomorrow - Tuesday 6%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphSE 146°
- Humidity: 90%
- UV index: 0
- Sunrise: 7:12 am CDT
- Sunset: 6:19 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphSSE 159°
- Humidity: 51%
- UV index: 5
- Sunrise: 7:13 am CDT
- Sunset: 6:18 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 43°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSSE 156°
- Humidity: 52%
- UV index: 5
- Sunrise: 7:14 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphESE 102°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:15 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphS 174°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:16 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSE 125°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 79°F
- 48°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSE 126°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 81°F
- 50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSE 148°
- Humidity: 47%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 81°F
- 52°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphSSW 195°
- Humidity: 46%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphS 176°
- Humidity: 48%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:07 pm CDT
- details ▼
Throughout the next ten days, a combination of clear and overcast weather is forecasted.
Rainfall is not expected in Granite City in the upcoming period.
Noticeable swings in temperature are expected in the next ten days. Forecast highs will fluctuate between 66.2°F and 80.6°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 37.4°F and 51.8°F.
The warmest days in Granite City will be next Saturday and Sunday, with a maximum of 80.6°F; expect the coldest day on Sunday with a high of 66.2°F.
Rainfall is not expected in Granite City in the upcoming period.
Noticeable swings in temperature are expected in the next ten days. Forecast highs will fluctuate between 66.2°F and 80.6°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 37.4°F and 51.8°F.
The warmest days in Granite City will be next Saturday and Sunday, with a maximum of 80.6°F; expect the coldest day on Sunday with a high of 66.2°F.
Updated: Oct 18, 2026 @ 04:35:06 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, expect sunny weather with a crisp, clear sky.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be uncommonly lower than the average low of 49.3°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature tomorrow will be uncommonly lower than the average low of 49.3°F.
On Sunday, in Granite City, sunrise will be at 7:13 am and sunset at 6:18 pm (CDT).
In Granite City, the length of the day tomorrow will be 11h and 5min.
