Indianapolis International Airport Weather Forecast

    • 71
    • 86

    Rain Showers

    • 63
    • 82

    Partly Sunny

    • 66
    • 82

    Partly Sunny

    • 63
    • 80

    Chance Thunderstorms

    • 60
    • 76

    Partly Sunny

    • 61
    • 76

    Partly Sunny

Today 16 Aug Marion

Mostly cloudy with a chance of Showers. A chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall early this afternoon. Highs in the mid 80s. West Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 16 Aug Marion

Isolated Thunderstorms through the late overnight. Partly cloudy with scattered Showers. Humid with Lows around 70. Northwest Winds around 5 Mph. Chance of rain 40 percent.

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Indianapolis International Airport Temperature Statistics

August Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 3 August, 2026

    64.7 °F

  • Average August

    77.1 °F

  • Highest 8 August, 2026

    90.6 °F

Climate (2021–2026)

Indianapolis International Airport (0.6 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    65.2 °F
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