Indianapolis International Airport Weather Forecast

    • 68
    • 81

    Rain Showers

    • 68
    • 83

    Thunderstorms

    • 67
    • 84

    Partly Sunny

    • 70
    • 85

    Partly Sunny

    • 72
    • 87

    Chance Thunderstorms

    • 68
    • 86

    Rain Showers Likely

Today 6 Aug Marion

Partly cloudy with scattered Showers and Thunderstorms. Highs in the lower 80s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 6 Aug Marion

Partly cloudy through the late Overnight, then becoming mostly cloudy. Scattered Showers and Thunderstorms. Humid with Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 50 percent.

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Indianapolis International Airport Temperature Statistics

August Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 3 August, 2026

    64 °F

  • Average August

    73.9 °F

  • Highest 3 August, 2026

    82.9 °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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