St Jacob Weather Forecast

    • 53
    • 75

    Rain Showers

    • 56
    • 79

    Chance Rain Showers

    • 44
    • 68

    Chance Rain Showers

    • 48
    • 69

    Mostly Sunny

    • 55
    • 76

    Chance Rain Showers

    • 51
    • 74

    Mostly Sunny

Today 8 May Madison

Mostly sunny. Numerous Showers and scattered Thunderstorms this afternoon. Highs in the mid 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 8 May Madison

Mostly cloudy. Showers and scattered Thunderstorms in the evening. Lows in the lower 50s. Southwest Winds 5 to 10 Mph. Chance of rain 90 percent.

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St Jacob Temperature Statistics

May Temperature

Belleville, Scott AFB/MidAmerica Airport (11.8 miles)

  • Lowest 1 May, 2026

    44.4 °F

  • Average May

    59.5 °F

  • Highest 4 May, 2026

    77.5 °F

Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (11.8 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    68 °F
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