Alton Weather Forecast

    • 46
    • 81

    Sunny

    • 47
    • 84

    Sunny

    • 48
    • 86

    Sunny

    • 52
    • 88

    Sunny

    • 54
    • 87

    Mostly Sunny

    • 53
    • 87

    Slight Chance Thunderstorms

Today 20 Jun Southern Mountains

Breezy, sunny. Highs around 70. Southwest Winds 15 to 25 Mph.

Tonight 20 Jun Southern Mountains

Breezy, clear. Lows in the upper 40s. Southwest Winds 15 to 25 Mph in the evening.

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Alton Temperature Statistics

June Temperature

Bryce Canyon Airport (25.5 miles)

  • Lowest 1 June, 2026

    33.1 °F

  • Average June

    66 °F

  • Highest 17 June, 2026

    87.1 °F

Climate (2021–2026)

Bryce Canyon Airport (25.5 miles)

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  • Average Low 2021–2026

    28.6 °F

  • Average 2021–2026

    44.5 °F

  • Average High 2021–2026

    58.9 °F
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