Indianapolis International Airport Weather Forecast

    • 66
    • 75

    Rain Showers

    • 65
    • 76

    Rain Showers

    • 63
    • 77

    Chance Rain Showers

    • 64
    • 80

    Chance Rain Showers

    • 66
    • 82

    Chance Rain Showers

    • 67
    • 84

    Slight Chance Thunderstorms

Today 1 Aug Marion

A chance of Thunderstorms. Showers. Not as warm with Highs in the mid 70s. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 1 Aug Marion

Mostly cloudy. Showers likely with a chance of Thunderstorms through the late Overnight, then a chance of Showers with a slight chance of Thunderstorms toward daybreak. Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 70 percent.

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Indianapolis International Airport Temperature Statistics

August Temperature

Indianapolis International Airport (0.6 miles)

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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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