Alton Weather Forecast

    • 59
    • 82

    Slight Chance Thunderstorms

    • 64
    • 83

    Rain Showers Likely

    • 64
    • 82

    Rain Showers

    • 54
    • 79

    Rain Showers Likely

    • 52
    • 73

    Chance Rain Showers

    • 49
    • 68

    Chance Rain Showers

Today 26 Apr Jefferson

Partly sunny. Patchy fog in the morning. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. Light and variable Winds. Chance of rain 20 percent.

Tonight 26 Apr Jefferson

Partly cloudy. A slight chance of Showers after midnight. Lows in the lower 60s. Light and variable Winds, becoming southeast around 5 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Real-Time

Alton Temperature Statistics

April Temperature

Birmingham, Birmingham International Airport (6.2 miles)

  • Lowest 19 April, 2026

    46 °F

  • Average April

    68.9 °F

  • Highest 17 April, 2026

    88.6 °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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