Crystal Lake Weather Forecast

    • 37
    • 64

    Partly Sunny

    • 43
    • 55

    Chance Rain Showers

    • 40
    • 59

    Rain Showers

    • 39
    • 61

    Mostly Sunny

    • 39
    • 59

    Mostly Sunny

    • 43
    • 68

    Mostly Sunny

Today 29 Jan Oconee Mountains

Sunny. Highs in the mid 60s. West Winds 5 to 10 Mph with Gusts up to 30 Mph.

Tonight 29 Jan Oconee Mountains

Partly cloudy. Lows in the upper 30s. Northwest Winds 5 to 10 Mph.

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Crystal Lake Temperature Statistics

January Temperature

Clemson, Clemson-Oconee County Airport (18 miles)

  • Lowest 22 January, 2025

    18.8 °F

  • Average January

    37.8 °F

  • Highest 16 January, 2025

    57.7 °F

Climate (2020–Present)

Clemson, Clemson-Oconee County Airport (18 miles)

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  • Average Low 2020–2025

    53.5 °F

  • Average 2020–2025

    62.2 °F

  • Average High 2020–2025

    71.7 °F
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