Indianapolis International Airport Weather Forecast

    • 63
    • 86

    Rain Showers Likely

    • 55
    • 75

    Partly Sunny

    • 58
    • 77

    Mostly Sunny

    • 61
    • 79

    Partly Sunny

    • 66
    • 84

    Mostly Sunny

    • 70
    • 89

    Mostly Sunny

Today 21 Jul Marion

Partly cloudy with scattered Showers and Thunderstorms through early Afternoon, then mostly sunny late in the afternoon. Humid with Highs in the mid 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 21 Jul Marion

Partly cloudy through the late Overnight, then clearing. Lows in the mid 60s. North Winds 5 to 10 Mph.

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Indianapolis International Airport Temperature Statistics

July Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 8 July, 2026

    67.6 °F

  • Average July

    80.9 °F

  • Highest 2 July, 2026

    93.7 °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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