Alton Weather Forecast

    • 68
    • 85

    Slight Chance Thunderstorms

    • 69
    • 88

    Chance Rain Showers

    • 72
    • 89

    Slight Chance Thunderstorms

    • 71
    • 90

    Slight Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

    • 71
    • 89

    Chance Thunderstorms

Today 3 Aug Jefferson

Partly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 3 Aug Jefferson

Mostly cloudy. Near steady temperature in the lower 70s. Light and variable Winds.

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Alton Temperature Statistics

August Temperature

Birmingham, Birmingham International Airport (6.2 miles)

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  • Average August

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Climate (2021–2026)

Birmingham, Birmingham International Airport (6.2 miles)

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  • Average Low 2021–2026

    55.6 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    76.1 °F
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