Collinsville Weather Forecast

    • 43
    • 61

    Becoming Sunny

    • 48
    • 66

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

    • 59
    • 80

    Chance Thunderstorms

    • 50
    • 74

    Chance Rain Showers

    • 52
    • 72

    Mostly Sunny

Today 6 May Madison

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the lower 60s. Northwest Winds around 5 Mph.

Tonight 6 May Madison

Showers likely. Near steady temperature in the mid 40s. Northwest Winds around 5 Mph. Chance of rain 60 percent.

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Collinsville Temperature Statistics

May Temperature

Belleville, Scott AFB/MidAmerica Airport (10.6 miles)

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Climate (2021–Present)

Belleville, Scott AFB/MidAmerica Airport (10.6 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    68 °F
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