Indianapolis International Airport Weather Forecast

    • 66
    • 81

    Chance Thunderstorms

    • 65
    • 83

    Mostly Sunny

    • 67
    • 86

    Mostly Sunny

    • 70
    • 88

    Mostly Sunny

    • 71
    • 92

    Mostly Sunny

    • 69
    • 88

    Slight Chance Thunderstorms

Today 11 Jul Marion

Showers and scattered Thunderstorms through early Afternoon, then scattered Showers and Thunderstorms late this afternoon. Some Thunderstorms may produce heavy rainfall through early afternoon. Highs in the lower 80s. North Winds around 5 Mph, becoming northeast late this afternoon. Chance of rain near 100 percent.

Tonight 11 Jul Marion

Partly cloudy. Lows in the upper 60s. Northeast 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

    80.6 °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

    55.7 °F
  • Average High 2021–2026

    65.2 °F
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