Indianapolis International Airport Weather Forecast

    • 39
    • 63

    Mostly Cloudy

    • 23
    • 44

    Chance Rain Showers

    • 24
    • 33

    Partly Sunny

    • 32
    • 42

    Partly Sunny

    • 35
    • 48

    Chance Rain Showers

    • 20
    • 39

    Chance Rain/Snow

Today 9 Jan Marion

Mostly cloudy. Highs in the mid 60s. Temperature falling into the upper 40s this afternoon. West Winds 10 to 15 Mph, becoming northwest this afternoon. Gusts up to 30 Mph.

Tonight 9 Jan Marion

Mostly cloudy. Much cooler with Lows in the upper 30s. Northeast Winds around 5 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

    34.5 °F

  • Highest 7 January, 2026

    54 °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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