Indianapolis International Airport Weather Forecast

    • 20
    • 30

    Increasing Clouds

    • 35
    • 42

    Rain Likely

    • 23
    • 42

    Snow Likely

    • 21
    • 31

    Chance Snow

    • 11
    • 29

    Chance Snow

    • 8
    • 18

    Mostly Cloudy

    • 12
    • 21

    Partly Sunny

Today 8 Dec Marion

Mostly sunny. Cold with Highs around 30. East Winds 5 to 10 Mph.

Tonight 8 Dec Marion

Partly cloudy through Midnight, then becoming mostly cloudy. Cold with Lows around 20. South Winds 5 to 10 Mph with Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Indianapolis International Airport Temperature Statistics

December Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 4 December, 2025

    17.1 °F

  • Average December

    25.7 °F

  • Highest 6 December, 2025

    35.1 °F

Climate (2020–Present)

Indianapolis International Airport (0.6 miles)

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

  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    64.8 °F
Get WillyWeather+ to remove ads