Riverwatch Weather Forecast

    • 26
    • 41

    Sunny

    • 35
    • 51

    Mostly Sunny

    • 42
    • 53

    Mostly Cloudy

    • 27
    • 59

    Rain Showers

    • 31
    • 43

    Mostly Sunny

    • 48
    • 57

    Mostly Cloudy

Today 15 Dec White

Sunny. Highs around 40. Southeast Winds around 5 Mph, becoming southwest around 5 Mph this afternoon.

Tonight 15 Dec White

Clear. Lows in the mid 20s. South Winds around 5 Mph.

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Riverwatch Temperature Statistics

December Temperature

Sparta Upper Cumberland Regional Airport (9.9 miles)

  • Lowest 11 December, 2025

    21.2 °F

  • Average December

    36.9 °F

  • Highest 12 December, 2025

    55.4 °F

Climate (2020–Present)

Sparta Upper Cumberland Regional Airport (9.9 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    59.3 °F

  • Average High 2020–2025

    70 °F
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