Ashley River - Old Fort Dorchester Weather Forecast

    • 38
    • 76

    Rain Showers

    • 46
    • 68

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 63
    • 78

    Rain Showers Likely

    • 39
    • 77

    Rain Showers Likely

    • 37
    • 56

    Partly Sunny

Today 12 Mar Dorchester

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Highs in the mid 70s. Temperature falling into the upper 50s late. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 12 Mar Dorchester

Mostly clear. Much cooler with Lows in the upper 30s. North Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming northeast around 5 Mph after midnight.

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Ashley River - Old Fort Dorchester Temperature Statistics

March Temperature

Charleston, Charleston Air Force Base (8.1 miles)

  • Lowest 2 March, 2026

    44.7 °F

  • Average March

    66.8 °F

  • Highest 10 March, 2026

    88 °F

Climate (2021–Present)

Charleston, Charleston Air Force Base (8.1 miles)

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  • Average Low 2021–2026

    58.1 °F

  • Average 2021–2026

    67.3 °F

  • Average High 2021–2026

    77.7 °F
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