Back River Reservoir Weather Forecast

    • 60
    • 70

    Mostly Cloudy

    • 36
    • 72

    Partly Sunny

    • 31
    • 51

    Mostly Sunny

    • 36
    • 54

    Mostly Sunny

    • 38
    • 57

    Partly Sunny

    • 40
    • 59

    Mostly Cloudy

Today 28 Dec Tidal Berkeley

Mostly cloudy in the Morning, then becoming partly sunny. Highs around 70. East Winds 5 to 10 Mph.

Tonight 28 Dec Tidal Berkeley

Mostly cloudy. Lows in the upper 50s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Back River Reservoir Temperature Statistics

December Temperature

Charleston, Charleston Air Force Base (8.7 miles)

  • Lowest 15 December, 2025

    21.9 °F

  • Average December

    50.3 °F

  • Highest 24 December, 2025

    78.1 °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

    67.3 °F

  • Average High 2020–2025

    77.5 °F
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