Indianapolis International Airport Weather Forecast

    • 60
    • 74

    Rain Showers

    • 60
    • 78

    Rain Showers Likely

    • 62
    • 80

    Mostly Cloudy

    • 65
    • 80

    Chance Rain Showers

    • 65
    • 81

    Chance Thunderstorms

    • 62
    • 80

    Chance Thunderstorms

Today 23 May Marion

Mostly cloudy. Scattered Showers toward daybreak. Highs in the lower 70s. Northeast Winds around 5 Mph, becoming northwest toward Daybreak, then becoming west late this afternoon. Chance of rain 50 percent.

Tonight 23 May Marion

Partly cloudy. Isolated Showers toward daybreak. Lows in the lower 60s. South Winds around 5 Mph. Chance of rain 20 percent.

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Indianapolis International Airport Temperature Statistics

May Temperature

Indianapolis International Airport (0.6 miles)

  • Lowest 3 May, 2026

    36.6 °F

  • Average May

    59.4 °F

  • Highest 19 May, 2026

    84 °F

Climate (2021–Present)

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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