Collinsville Weather Forecast

    • 46
    • 74

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 57
    • 82

    Partly Sunny

    • 58
    • 81

    Partly Sunny

    • 59
    • 81

    Rain Showers Likely

    • 56
    • 78

    Rain Showers Likely

Today 23 Jul Lewis

Sunny. Highs Ranging from the upper 60s on the Hilltops to the lower 70s across the lower Elevations. Light west Winds.

Tonight 23 Jul Lewis

Clear. Lows in the upper 40s. Light Winds.

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Collinsville Temperature Statistics

July Temperature

Griffiss Air Force Base / Rome (25.5 miles)

  • Lowest 20 July, 2026

    48.9 °F

  • Average July

    73 °F

  • Highest 2 July, 2026

    93.9 °F

Climate (2021–2026)

Griffiss Air Force Base / Rome (25.5 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    57.6 °F
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