Collinsville Weather Forecast

    • 40
    • 68

    Mostly Sunny

    • 40
    • 63

    Mostly Sunny

    • 39
    • 66

    Mostly Sunny

    • 41
    • 71

    Sunny

    • 45
    • 72

    Partly Sunny

    • 46
    • 67

    Partly Sunny

Today 23 Oct Henry

Sunny. Near steady temperature in the upper 60s. Northeast Winds 5 to 10 Mph.

Tonight 23 Oct Henry

Mostly clear. Lows around 40. Northeast Winds around 5 Mph.

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Collinsville Temperature Statistics

October Temperature

Martinsville (7.5 miles)

  • Lowest 20 October, 2026

    30 °F

  • Average October

    60.7 °F

  • Highest 14 October, 2026

    88 °F

Climate (2021–2026)

Martinsville (7.5 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    69.3 °F
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