Jamestown Reservoir Weather Forecast

    • 32
    • 51

    Mostly Cloudy

    • 23
    • 39

    Mostly Cloudy

    • 36
    • 48

    Partly Sunny

    • 32
    • 51

    Mostly Cloudy

    • 28
    • 48

    Chance Rain Showers

    • 12
    • 37

    Slight Chance Rain/Snow

Today 7 Dec Fentress

Mostly cloudy this Morning, then becoming partly sunny. Areas of fog with patchy freezing fog this morning. Highs around 50. South Winds around 5 Mph, becoming west this afternoon.

Tonight 7 Dec Fentress

Cloudy. A chance of rain after midnight. Lows in the lower 30s. North Winds around 5 Mph. Chance of rain 40 percent.

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Jamestown Reservoir Temperature Statistics

December Temperature

Crossville, Crossville Memorial-Whitson Field Airport (35.4 miles)

  • Lowest 1 December, 2025

    23 °F

  • Average December

    33.8 °F

  • Highest 1 December, 2025

    45 °F

Climate (2020–Present)

Crossville, Crossville Memorial-Whitson Field Airport (35.4 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    56.6 °F

  • Average High 2020–2025

    66.4 °F
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