Alton Weather Forecast

    • 64
    • 81

    Mostly Cloudy

    • 44
    • 80

    Rain Showers

    • 37
    • 58

    Chance Rain Showers

    • 45
    • 69

    Sunny

    • 54
    • 76

    Mostly Sunny

    • 40
    • 79

    Rain Showers Likely

    • 29
    • 51

    Mostly Cloudy

Today 10 Mar Jefferson

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 10 Mar Jefferson

Mostly cloudy. Lows in the mid 60s. South Winds 5 to 10 Mph.

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Alton Temperature Statistics

March Temperature

Birmingham, Birmingham International Airport (6.2 miles)

  • Lowest 1 March, 2026

    44.1 °F

  • Average March

    67.6 °F

  • Highest 5 March, 2026

    83.6 °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

    65.3 °F

  • Average High 2021–2026

    75.8 °F
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