Alton Weather Forecast

    • 56
    • 91

    Sunny

    • 55
    • 91

    Mostly Sunny

    • 56
    • 90

    Slight Chance Thunderstorms

    • 57
    • 91

    Mostly Sunny

    • 57
    • 91

    Slight Chance Thunderstorms

    • 58
    • 89

    Chance Thunderstorms

Today 4 Aug Southern Mountains

Sunny. Smoke in the morning. Areas of smoke in the afternoon. Highs in the upper 70s.

Tonight 4 Aug Southern Mountains

Mostly clear. Smoke in the evening. Areas of smoke after midnight. Lows in the mid 50s.

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Alton Temperature Statistics

August Temperature

Bryce Canyon Airport (25.5 miles)

  • Lowest 1 August, 2026

    50 °F

  • Average August

    74.2 °F

  • Highest 1 August, 2026

    90 °F

Climate (2021–2026)

Bryce Canyon Airport (25.5 miles)

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  • Average Low 2021–2026

    28.5 °F

  • Average 2021–2026

    44.4 °F

  • Average High 2021–2026

    58.9 °F
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