Marietta Weather Forecast

    • 48
    • 53

    Cloudy

    • 25
    • 67

    Rain

    • 17
    • 28

    Slight Chance Snow

    • 24
    • 29

    Mostly Cloudy

    • 17
    • 34

    Mostly Cloudy

    • 11
    • 24

    Mostly Sunny

Today 27 Dec Shelby

Rain, warmer with Highs in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 27 Dec Shelby

Rain through Midnight, then rain and snow likely toward daybreak. Little or no snow accumulation. Much Colder with Lows in the mid 20s. Southwest Winds around 15 Mph, becoming west toward daybreak. Gusts up to 30 Mph. Chance of precipitation near 100 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Marietta Temperature Statistics

December Temperature

Shelbyville Municipal Airport (10.6 miles)

  • Lowest 15 December, 2025

    -7.1 °F

  • Average December

    29.3 °F

  • Highest 23 December, 2025

    60.1 °F

Climate (2020–Present)

Shelbyville Municipal Airport (10.6 miles)

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

  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    66.9 °F
Get WillyWeather+ to remove ads