Alton Weather Forecast

    • 62
    • 88

    Sunny

    • 47
    • 82

    Partly Sunny

    • 44
    • 64

    Mostly Sunny

    • 45
    • 65

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 49
    • 74

    Mostly Sunny

Today 15 Oct Jefferson

Sunny. Highs in the upper 80s. Light and variable Winds, becoming southwest around 5 Mph this afternoon.

Tonight 15 Oct Jefferson

Clear. Lows in the lower 60s. South Winds around 5 Mph.

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Alton Temperature Statistics

October Temperature

Birmingham, Birmingham International Airport (6.2 miles)

  • Lowest 8 October, 2026

    57.7 °F

  • Average October

    75 °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

    55.7 °F

  • Average 2021–2026

    65.9 °F

  • Average High 2021–2026

    76.5 °F
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