Alton Weather Forecast

    • 48
    • 73

    Sunny

    • 49
    • 73

    Sunny

    • 46
    • 73

    Partly Sunny

    • 48
    • 75

    Partly Sunny

    • 47
    • 74

    Partly Sunny

    • 49
    • 76

    Mostly Sunny

Today 24 Oct Jefferson

Sunny. Near steady temperature in the lower 70s. East Winds 5 to 10 Mph.

Tonight 24 Oct Jefferson

Clear. Lows in the upper 40s. East Winds around 5 Mph.

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Alton Temperature Statistics

October Temperature

Birmingham, Birmingham International Airport (6.2 miles)

  • Lowest 20 October, 2026

    42.7 °F

  • Average October

    71 °F

  • Highest 2 October, 2026

    94.6 °F

Climate (2021–2026)

Birmingham, Birmingham International Airport (6.2 miles)

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  • Average Low 2021–2026

    55.6 °F

  • Average 2021–2026

    65.9 °F

  • Average High 2021–2026

    76.5 °F
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