Indianapolis International Airport Weather Forecast

    • 57
    • 77

    Mostly Sunny

    • 60
    • 80

    Increasing Clouds

    • 65
    • 84

    Chance Rain Showers

    • 63
    • 83

    Mostly Sunny

    • 62
    • 82

    Mostly Sunny

    • 65
    • 84

    Partly Sunny

    • 70
    • 87

    Partly Sunny

Today 24 Aug Marion

Mostly sunny. Highs in the upper 70s. Northwest Winds around 5 Mph.

Tonight 24 Aug Marion

Mostly clear. Patchy fog. Lows in the upper 50s. Northeast Winds around 5 Mph.

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Indianapolis International Airport Temperature Statistics

August Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 18 August, 2026

    63.6 °F

  • Average August

    76.8 °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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