Indianapolis International Airport Weather Forecast

    • 47
    • 67

    Increasing Clouds

    • 59
    • 71

    Chance Rain Showers

    • 64
    • 82

    Rain Showers Likely

    • 66
    • 87

    Mostly Sunny

    • 71
    • 91

    Partly Sunny

    • 65
    • 88

    Rain Showers Likely

Today 14 May Marion

Sunny. Highs in the upper 60s. Northwest Winds 5 to 10 Mph.

Tonight 14 May Marion

Clear, cooler with Lows in the lower 40s. Northwest Winds around 5 Mph.

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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

    55.5 °F

  • Highest 4 May, 2026

    75.7 °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

    65.1 °F
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