Ashley River - Old Fort Dorchester Weather Forecast

    • 64
    • 88

    Mostly Sunny

    • 66
    • 89

    Mostly Sunny

    • 70
    • 91

    Partly Sunny

    • 70
    • 90

    Chance Rain Showers

    • 70
    • 87

    Rain Showers Likely

    • 70
    • 87

    Rain Showers Likely

Today 18 May Dorchester

Patchy fog in the morning. Sunny. Highs around 90. Southeast Winds 5 to 10 Mph.

Tonight 18 May Dorchester

Partly cloudy. Lows in the mid 60s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ashley River - Old Fort Dorchester Temperature Statistics

May Temperature

Charleston, Charleston Air Force Base (8.1 miles)

  • Lowest 3 May, 2026

    46.7 °F

  • Average May

    69.2 °F

  • Highest 11 May, 2026

    91.7 °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

    67.4 °F

  • Average High 2021–2026

    77.8 °F
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