Alton Weather Forecast

    • 50
    • 75

    Increasing Clouds

    • 50
    • 74

    Partly Sunny

    • 52
    • 77

    Mostly Sunny

    • 58
    • 78

    Mostly Cloudy

    • 58
    • 76

    Rain Showers Likely

    • 57
    • 74

    Chance Rain Showers

Today 27 Oct Jefferson

Sunny. Highs in the mid 70s. East Winds around 5 Mph.

Tonight 27 Oct Jefferson

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 50. 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

    70.2 °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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