South Charleston Weather Forecast

    • 21
    • 42

    Sunny

    • 39
    • 50

    Rain Likely

    • 43
    • 57

    Chance Rain

    • 50
    • 58

    Rain

    • 57
    • 64

    Rain Likely

    • 47
    • 65

    Chance Rain

    • 39
    • 61

    Chance Rain

Today 21 Dec Kanawha

Mostly sunny and much cooler. Near steady temperature in the lower 40s. Northwest Winds around 5 Mph.

Tonight 21 Dec Kanawha

Clear, Colder with Lows in the lower 20s. Northwest Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Charleston Temperature Statistics

December Temperature

Charleston, Yeager Airport (5.6 miles)

  • Lowest 15 December, 2025

    3 °F
  • Average December

    32.5 °F
  • Highest 18 December, 2025

    62.1 °F

Climate (2020–Present)

Charleston, Yeager Airport (5.6 miles)

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  • Average Low 2020–2025

    46.6 °F
  • Average 2020–2025

    56.8 °F
  • Average High 2020–2025

    68 °F
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