Alton Weather Forecast

    • 56
    • 84

    Rain Showers

    • 44
    • 68

    Rain Showers Likely

    • 47
    • 69

    Mostly Cloudy

    • 48
    • 72

    Mostly Sunny

    • 50
    • 72

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 55
    • 78

    Partly Sunny

Today 4 Apr Jefferson

Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. South Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 4 Apr Jefferson

Thunderstorms likely. Showers, cooler with Lows in the mid 50s. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain near 100 percent.

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Alton Temperature Statistics

April Temperature

Birmingham, Birmingham International Airport (6.2 miles)

  • Lowest 2 April, 2026

    62.1 °F

  • Average April

    73.3 °F

  • Highest 2 April, 2026

    84 °F

Climate (2021–Present)

Birmingham, Birmingham International Airport (6.2 miles)

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  • Average Low 2021–2026

    55.4 °F

  • Average 2021–2026

    65.4 °F

  • Average High 2021–2026

    75.9 °F
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