Granite City Weather Forecast
- 56
- 74
Chance Thunderstorms
- 56
- 72
Chance Rain Showers
- 63
- 81
Chance Thunderstorms
- 49
- 79
Thunderstorms Likely
- 39
- 59
Slight Chance Rain Showers
- 39
- 57
Mostly Sunny
Today 29 Mar Madison
Sunny. Not as cool with Highs in the mid 70s. South Winds 5 to 10 Mph, increasing to 15 to 20 Mph this afternoon.
Tonight 29 Mar Madison
Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Not as cool with Lows in the mid 50s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.
Granite City Temperature Statistics
March Temperature
St. Louis Downtown Airport (9.3 miles)
Lowest 19 March, 2024
26.9 °FAverage March
51.3 °FHighest 14 March, 2024
80.7 °F
Climate (2019–Present)
St. Louis Downtown Airport (9.3 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
47.1 °FAverage 2019–2024
57.1 °FAverage High 2019–2024
67.5 °F