Indianapolis Weather Forecast

    • 16
    • 23

    Blowing Snow

    • 31
    • 36

    Partly Sunny

    • 34
    • 40

    Mostly Cloudy

    • 17
    • 51

    Rain Showers

    • 25
    • 29

    Mostly Cloudy

    • 34
    • 47

    Chance Rain Showers

Today 15 Dec Marion

Mostly sunny this Morning, then becoming partly cloudy. Not as cold with Highs in the lower 20s. Southwest Winds 10 to 15 Mph. Wind chill Values as low as 15 below this morning.

Tonight 15 Dec Marion

Mostly clear. Not as cold with Lows around 16. Southwest Winds 5 to 10 Mph.

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Indianapolis Temperature Statistics

December Temperature

Indianapolis International Airport (6.8 miles)

  • Lowest 13 December, 2025

    7 °F

  • Average December

    27.8 °F

  • Highest 9 December, 2025

    42.1 °F

Climate (2020–Present)

Indianapolis International Airport (6.8 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    64.7 °F
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