Ashley River - Old Fort Dorchester Weather Forecast

    • 77
    • 95

    Chance Thunderstorms

    • 79
    • 99

    Slight Chance Thunderstorms

    • 78
    • 100

    Chance Thunderstorms

    • 77
    • 96

    Chance Thunderstorms

    • 77
    • 97

    Slight Chance Thunderstorms

Today 16 Aug Dorchester

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Heat index Values up to 111. Light and variable Winds, becoming south around 5 Mph in the afternoon. Chance of rain 40 percent.

Tonight 16 Aug Dorchester

Partly cloudy. Lows in the mid 70s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ashley River - Old Fort Dorchester Temperature Statistics

August Temperature

Charleston, Charleston Air Force Base (8.1 miles)

  • Lowest 12 August, 2026

    73.9 °F

  • Average August

    83.4 °F

  • Highest 13 August, 2026

    99 °F

Climate (2021–2026)

Charleston, Charleston Air Force Base (8.1 miles)

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  • Average Low 2021–2026

    58.2 °F

  • Average 2021–2026

    67.6 °F

  • Average High 2021–2026

    78.1 °F
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