Collinsville Weather Forecast

    • 47
    • 70

    Slight Chance Thunderstorms

    • 48
    • 61

    Rain Likely

    • 54
    • 66

    Rain

    • 43
    • 61

    Rain Likely

    • 41
    • 56

    Partly Sunny

    • 43
    • 60

    Partly Sunny

Today 18 Nov Madison

Mostly cloudy in the Morning, then becoming partly sunny. A slight chance of rain and Thunderstorms. Not as cool with Highs in the lower 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west in the afternoon. Chance of rain 20 percent.

Tonight 18 Nov Madison

Mostly cloudy. Lows in the mid 40s. North Winds around 5 Mph.

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Collinsville Temperature Statistics

November Temperature

Belleville, Scott AFB/MidAmerica Airport (10.6 miles)

  • Lowest 11 November, 2025

    24.6 °F

  • Average November

    52 °F

  • Highest 15 November, 2025

    81.1 °F

Climate (2020–Present)

Belleville, Scott AFB/MidAmerica Airport (10.6 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    67.6 °F
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