Indianapolis International Airport Weather Forecast

    • 67
    • 84

    Rain Showers

    • 66
    • 78

    Rain Showers

    • 63
    • 76

    Rain Showers Likely

    • 63
    • 80

    Chance Rain Showers

    • 66
    • 83

    Chance Rain Showers

    • 67
    • 85

    Chance Thunderstorms

Today 31 Jul Marion

Partly cloudy toward Daybreak, then becoming mostly cloudy. Patchy fog toward daybreak. A slight chance of Showers late this afternoon. Highs in the mid 80s. Light and variable Winds, becoming south 5 to 10 Mph. Chance of rain 20 percent.

Tonight 31 Jul Marion

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms through the late Overnight, then Showers likely with a chance of Thunderstorms toward daybreak. Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph toward daybreak. Chance of rain 70 percent.

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Indianapolis International Airport Temperature Statistics

July Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 23 July, 2026

    57.7 °F

  • Average July

    79.1 °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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