Alton Weather Forecast

    • 73
    • 91

    Chance Thunderstorms

    • 73
    • 90

    Chance Thunderstorms

    • 69
    • 87

    Rain Showers

    • 65
    • 80

    Rain Showers Likely

    • 64
    • 79

    Chance Thunderstorms

    • 70
    • 83

    Chance Thunderstorms

Today 12 Jun Jefferson

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 12 Jun Jefferson

Partly cloudy. Near steady temperature in the mid 70s. Southwest Winds around 5 Mph.

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Alton Temperature Statistics

June Temperature

Birmingham, Birmingham International Airport (6.2 miles)

  • Lowest 4 June, 2026

    59.6 °F

  • Average June

    76.8 °F

  • Highest 1 June, 2026

    91.7 °F

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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