Indianapolis International Airport Weather Forecast

    • 31
    • 42

    Partly Sunny

    • 35
    • 50

    Chance Rain/Snow

    • 18
    • 39

    Chance Snow

    • 19
    • 26

    Chance Snow

    • 19
    • 35

    Chance Snow

    • 7
    • 26

    Chance Snow

    • 9
    • 19

    Mostly Cloudy

Today 12 Jan Marion

Partly cloudy. Not as cool with Highs in the lower 40s. Southwest Winds 10 to 15 Mph.

Tonight 12 Jan Marion

Mostly clear. Cold with Lows in the lower 30s. Southwest Winds 10 to 15 Mph.

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Indianapolis International Airport Temperature Statistics

January Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 2 January, 2026

    19 °F

  • Average January

    38 °F

  • Highest 9 January, 2026

    64 °F

Climate (2021–Present)

Indianapolis International Airport (0.6 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    64.8 °F
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