Indianapolis International Airport Weather Forecast

    • 73
    • 92

    Becoming Sunny

    • 74
    • 95

    Mostly Sunny

    • 75
    • 96

    Mostly Sunny

    • 72
    • 95

    Chance Thunderstorms

    • 70
    • 90

    Slight Chance Thunderstorms

    • 66
    • 87

    Partly Sunny

Today 31 Aug Marion

Partly cloudy. Hot with Highs in the lower 90s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 31 Aug Marion

Partly cloudy. Lows around 70. South Winds around 5 Mph.

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Indianapolis International Airport Temperature Statistics

August Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 24 August, 2026

    57.7 °F

  • Average August

    75.8 °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

    46.7 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    65.2 °F
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