Marion Weather Forecast

    • 27
    • 47

    Cloudy

    • 27
    • 38

    Partly Sunny

    • 42
    • 49

    Mostly Cloudy

    • 29
    • 52

    Mostly Cloudy

    • 22
    • 39

    Slight Chance Rain Showers

    • 9
    • 31

    Partly Sunny

    • 11
    • 24

    Partly Sunny

Today 7 Dec Williamson

Cloudy with a slight chance of drizzle. Highs in the upper 40s. North Winds 5 to 10 Mph.

Tonight 7 Dec Williamson

Cloudy. A slight chance of drizzle this Evening, then a slight chance of freezing drizzle and snow Showers after midnight. Lows in the upper 20s. North Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Marion Temperature Statistics

December Temperature

Marion - Williamson County Regional Airport (4.3 miles)

  • Lowest 5 December, 2025

    17.6 °F

  • Average December

    29.5 °F

  • Highest 5 December, 2025

    42.8 °F

Climate (2020–Present)

Marion - Williamson County Regional Airport (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    55.8 °F

  • Average High 2020–2025

    67.6 °F
Get WillyWeather+ to remove ads