Indianapolis International Airport Weather Forecast

    • 59
    • 82

    Mostly Sunny

    • 65
    • 83

    Partly Sunny

    • 70
    • 88

    Mostly Sunny

    • 72
    • 91

    Partly Sunny

    • 74
    • 92

    Partly Sunny

    • 74
    • 91

    Slight Chance Thunderstorms

Today 28 Aug Marion

Sunny. Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 28 Aug Marion

Clear. Patchy fog. Lows in the lower 60s. North 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

    76 °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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