Alton Weather Forecast

    • 56
    • 79

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 66
    • 84

    Mostly Cloudy

    • 67
    • 84

    Chance Thunderstorms

    • 68
    • 84

    Chance Thunderstorms

Today 3 Jun Jefferson

Sunny. Highs in the lower 80s. East Winds 5 to 10 Mph.

Tonight 3 Jun Jefferson

Mostly clear. Lows in the lower 60s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Alton Temperature Statistics

June Temperature

Birmingham, Birmingham International Airport (6.2 miles)

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Climate (2021–Present)

Birmingham, Birmingham International Airport (6.2 miles)

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  • Average Low 2021–2026

    55.5 °F

  • Average 2021–2026

    65.5 °F

  • Average High 2021–2026

    76 °F
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