Charleston Weather Forecast

    • 48
    • 87

    Mostly Sunny

    • 54
    • 89

    Partly Sunny

    • 53
    • 89

    Slight Chance Thunderstorms

    • 53
    • 90

    Partly Sunny

    • 55
    • 93

    Partly Sunny

    • 54
    • 91

    Chance Rain Showers

    • 50
    • 88

    Chance Thunderstorms

Today 16 Aug Wasatch Back

Sunny with a 20 percent chance of rain Showers in the Morning, then partly cloudy in the afternoon. Highs in the mid 80s.

Tonight 16 Aug Wasatch Back

Mostly clear. Lows around 50.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Charleston Temperature Statistics

August Temperature

Provo, Provo Municipal Airport (21.1 miles)

  • Lowest 5 August, 2026

    57 °F

  • Average August

    78.9 °F

  • Highest 1 August, 2026

    104 °F

Climate (2021–2026)

Provo, Provo Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    64.3 °F
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