Charleston Weather Forecast

    • 37
    • 76

    Mostly Sunny

    • 33
    • 71

    Mostly Cloudy

    • 27
    • 57

    Rain/Snow

    • 25
    • 50

    Chance Rain/Snow

    • 29
    • 59

    Mostly Sunny

    • 33
    • 68

    Mostly Sunny

Today 15 May Wasatch Back

Sunny. Highs in the lower 70s.

Tonight 15 May Wasatch Back

Mostly clear. Lows in the upper 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Charleston Temperature Statistics

May Temperature

Provo, Provo Municipal Airport (21.1 miles)

  • Lowest 2 May, 2026

    39.9 °F

  • Average May

    63.1 °F

  • Highest 12 May, 2026

    93.9 °F

Climate (2021–Present)

Provo, Provo Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    64.4 °F
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