Alton Weather Forecast

    • 43
    • 66

    Sunny

    • 55
    • 75

    Increasing Clouds

    • 38
    • 76

    Rain Showers

    • 25
    • 48

    Chance Rain Showers

    • 29
    • 46

    Partly Sunny

    • 41
    • 58

    Partly Sunny

    • 47
    • 68

    Mostly Sunny

Today 13 Mar Jefferson

Sunny. Highs in the upper 60s. Southwest Winds 5 to 10 Mph.

Tonight 13 Mar Jefferson

Clear. Lows in the mid 40s. Southwest Winds around 5 Mph this Evening, becoming light and variable.

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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

    68.3 °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

    65.4 °F

  • Average High 2021–2026

    75.8 °F
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