St Jacob Weather Forecast

    • 62
    • 85

    Mostly Sunny

    • 37
    • 88

    Slight Chance Thunderstorms

    • 40
    • 56

    Mostly Cloudy

    • 44
    • 61

    Mostly Cloudy

    • 55
    • 70

    Slight Chance Rain Showers

    • 45
    • 80

    Chance Rain Showers

Today 21 Mar Madison

Sunny. Highs in the upper 80s. South Winds 5 to 10 Mph.

Tonight 21 Mar Madison

Clear. Not as cool with Lows in the lower 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St Jacob Temperature Statistics

March Temperature

Belleville, Scott AFB/MidAmerica Airport (11.8 miles)

  • Lowest 16 March, 2026

    23.9 °F

  • Average March

    51.6 °F

  • Highest 10 March, 2026

    84.9 °F

Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (11.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    67.9 °F
Get WillyWeather+ to remove ads