Back River Reservoir Weather Forecast

    • 21
    • 62

    Chance Rain Showers

    • 26
    • 40

    Sunny

    • 35
    • 53

    Mostly Sunny

    • 44
    • 61

    Mostly Cloudy

    • 53
    • 66

    Slight Chance Rain Showers

    • 45
    • 65

    Partly Sunny

Today 14 Dec Tidal Berkeley

Mostly sunny. A chance of Showers in the morning. Highs in the lower 60s. Temperature falling into the upper 40s in the afternoon. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north 10 to 15 Mph with Gusts up to 30 Mph in the afternoon. Chance of rain 40 percent.

Tonight 14 Dec Tidal Berkeley

Mostly clear. Much cooler with Lows in the lower 20s. Wind chill Values as low as 10 above. North Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Back River Reservoir Temperature Statistics

December Temperature

Charleston, Charleston Air Force Base (8.7 miles)

  • Lowest 9 December, 2025

    28 °F

  • Average December

    47.2 °F

  • Highest 10 December, 2025

    57.9 °F

Climate (2020–Present)

Charleston, Charleston Air Force Base (8.7 miles)

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  • Average Low 2020–2025

    58.1 °F

  • Average 2020–2025

    67.2 °F

  • Average High 2020–2025

    77.5 °F
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