Charleston Weather Forecast

    • 20
    • 41

    Snow

    • 21
    • 35

    Mostly Sunny

    • 29
    • 43

    Mostly Sunny

    • 40
    • 52

    Mostly Cloudy

    • 41
    • 58

    Chance Rain Showers

    • 33
    • 52

    Slight Chance Rain Showers

Today 31 Jan Charleston

Cloudy. A slight chance of freezing rain in the Morning, then a chance of snow and rain in the afternoon. Cooler with Highs in the upper 30s. Wind chill Values as low as 17. Snow accumulation up to 1 inch possible. Temperature falling to around 30 in the afternoon. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 50 percent.

Tonight 31 Jan Charleston

Mostly cloudy with a 20 percent chance of rain. Lows in the lower 30s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

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Charleston Temperature Statistics

January Temperature

Charleston Executive Airport (6.8 miles)

  • Lowest 16 January, 2026

    21.2 °F

  • Average January

    49.8 °F

  • Highest 9 January, 2026

    75.2 °F

Climate (2021–Present)

Charleston Executive Airport (6.8 miles)

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  • Average Low 2021–2026

    58.8 °F

  • Average 2021–2026

    67.1 °F

  • Average High 2021–2026

    76 °F
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