Marion Reservoir Weather Forecast

    • 48
    • 54

    Rain

    • 37
    • 58

    Chance Rain Showers

    • 42
    • 51

    Mostly Cloudy

    • 43
    • 62

    Partly Sunny

    • 38
    • 61

    Partly Sunny

    • 47
    • 55

    Chance Rain

    • 46
    • 61

    Rain Likely

Today 30 Jan Williamson

Rain. Highs in the lower 50s. Southeast Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 30 Jan Williamson

Rain with a chance of Thunderstorms in the Evening, then a slight chance of rain after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Not as cool with Lows in the upper 40s. Southeast Winds 5 to 10 Mph, becoming south after midnight. Chance of rain near 100 percent.

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Marion Reservoir Temperature Statistics

January Temperature

Marion - Williamson County Regional Airport (6.8 miles)

  • Lowest 20 January, 2025

    3.2 °F

  • Average January

    26.1 °F

  • Highest 28 January, 2025

    57.2 °F

Climate (2020–Present)

Marion - Williamson County Regional Airport (6.8 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    67.1 °F
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