Charleston Harbor - Patriots Point Weather Forecast

    • 32
    • 49

    Rain Showers

    • 33
    • 49

    Mostly Sunny

    • 36
    • 48

    Partly Sunny

    • 44
    • 54

    Mostly Cloudy

    • 42
    • 55

    Slight Chance Rain Showers

    • 48
    • 57

    Partly Sunny

Today 18 Jan Charleston

Showers. Highs in the upper 40s. Temperature falling into the lower 40s this afternoon. North Winds 5 to 10 Mph, becoming northwest this afternoon. Chance of rain near 100 percent.

Tonight 18 Jan Charleston

Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 20s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Charleston Harbor - Patriots Point Temperature Statistics

January Temperature

Charleston Executive Airport (8.1 miles)

  • Lowest 12 January, 2026

    32 °F

  • Average January

    53.8 °F

  • Highest 9 January, 2026

    75.2 °F

Climate (2021–Present)

Charleston Executive Airport (8.1 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    67.2 °F

  • Average High 2021–2026

    76 °F
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