Folly River - Long Island Weather Forecast

    • 35
    • 62

    Partly Sunny

    • 38
    • 49

    Increasing Clouds

    • 45
    • 56

    Partly Sunny

    • 42
    • 57

    Chance Rain Showers

    • 31
    • 51

    Slight Chance Rain Showers

    • 40
    • 50

    Mostly Sunny

    • 39
    • 56

    Mostly Cloudy

Today 11 Jan Charleston

Mostly sunny. Highs in the lower 60s. Temperature falling into the upper 50s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 11 Jan Charleston

Mostly clear. Much cooler with Lows in the lower 30s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Folly River - Long Island Temperature Statistics

January Temperature

Charleston Executive Airport (5 miles)

  • Lowest 1 January, 2026

    41 °F

  • Average January

    55.8 °F

  • Highest 9 January, 2026

    75.2 °F

Climate (2021–Present)

Charleston Executive Airport (5 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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