Marion Weather Forecast

    • 1
    • 36

    Partly Sunny

    • 12
    • 29

    Increasing Clouds

    • 8
    • 27

    Mostly Cloudy

    • 2
    • 18

    Partly Sunny

    • 3
    • 17

    Partly Sunny

    • 13
    • 25

    Mostly Cloudy

    • 16
    • 33

    Mostly Cloudy

Today 27 Jan Williamson

Sunny. Highs in the lower 30s. Northwest Winds 5 to 10 Mph.

Tonight 27 Jan Williamson

Partly cloudy this Evening, then becoming mostly cloudy. Patchy fog after midnight. Cold with Lows around 1 above. Northwest Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marion Temperature Statistics

January Temperature

Marion - Williamson County Regional Airport (4.3 miles)

  • Lowest 23 January, 2026

    5.9 °F

  • Average January

    32.5 °F

  • Highest 8 January, 2026

    69.8 °F

Climate (2021–Present)

Marion - Williamson County Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    67.6 °F
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