Alton Weather Forecast

    • 54
    • 63

    Rain Showers Likely

    • 52
    • 66

    Rain Showers Likely

    • 44
    • 69

    Partly Sunny

    • 48
    • 72

    Mostly Sunny

    • 52
    • 75

    Partly Sunny

    • 50
    • 73

    Partly Sunny

    • 50
    • 72

    Mostly Cloudy

Today 25 Feb Jefferson

Mostly cloudy. Not as cool with Highs in the mid 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 25 Feb Jefferson

Mostly cloudy. A chance of Showers after midnight. Not as cool with Lows in the mid 50s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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Alton Temperature Statistics

February Temperature

Birmingham, Birmingham International Airport (6.2 miles)

  • Lowest 1 February, 2026

    16.6 °F
  • Average February

    51.7 °F
  • Highest 19 February, 2026

    81.6 °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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