Alton Weather Forecast

    • 74
    • 97

    Hot

    • 67
    • 96

    Mostly Sunny

    • 70
    • 95

    Sunny

    • 70
    • 96

    Sunny

    • 70
    • 94

    Mostly Sunny

    • 71
    • 94

    Mostly Sunny

Today 18 Oct Southern Hidalgo

Sunny. Highs in the mid 90s. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 18 Oct Southern Hidalgo

Clear. Lows around 70. Southeast Winds around 5 Mph.

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Alton Temperature Statistics

October Temperature

McAllen, Miller International Airport (8.1 miles)

  • Lowest 12 October, 2025

    69.1 °F

  • Average October

    82.1 °F

  • Highest 6 October, 2025

    99 °F

Climate (2020–Present)

McAllen, Miller International Airport (8.1 miles)

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  • Average Low 2020–2025

    67.5 °F

  • Average 2020–2025

    77 °F

  • Average High 2020–2025

    87.7 °F
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