Collinsville Weather Forecast

    • 41
    • 54

    Mostly Sunny

    • 31
    • 60

    Partly Sunny

    • 31
    • 49

    Partly Sunny

    • 33
    • 45

    Chance Rain

    • 32
    • 45

    Chance Rain

    • 34
    • 45

    Chance Rain

Today 9 Feb Madison

Sunny. Not as cool with Highs in the mid 50s. Southeast Winds around 5 Mph, becoming south this afternoon.

Tonight 9 Feb Madison

Mostly clear. Not as cool with Lows in the lower 40s. South Winds 5 to 10 Mph, becoming southwest after midnight.

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  • Temperature Real-Time

Collinsville Temperature Statistics

February Temperature

Belleville, Scott AFB/MidAmerica Airport (10.6 miles)

  • Lowest 1 February, 2026

    4.5 °F

  • Average February

    28 °F

  • Highest 6 February, 2026

    47.1 °F

Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (10.6 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    67.6 °F
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