Alton Weather Forecast

    • 70
    • 90

    Rain Showers Likely

    • 62
    • 82

    Rain Showers

    • 59
    • 72

    Rain Showers Likely

    • 62
    • 75

    Rain Showers Likely

    • 63
    • 74

    Chance Thunderstorms

    • 68
    • 85

    Slight Chance Thunderstorms

    • 69
    • 90

    Chance Thunderstorms

Today 21 Jul Halifax

Mostly cloudy with a chance of Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds and heavy rainfall. Hot. Near steady temperature in the upper 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 21 Jul Halifax

Mostly cloudy with a chance of Showers. A chance of Thunderstorms. Some Thunderstorms may be severe with damaging Winds and heavy rainfall early this evening. Lows around 70. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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Alton Temperature Statistics

July Temperature

William M Tuck Airport (12.4 miles)

  • Lowest 15 July, 2026

    61 °F

  • Average July

    80 °F

  • Highest 4 July, 2026

    102.4 °F

Climate (2021–2026)

William M Tuck Airport (12.4 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    71.1 °F
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