Indianapolis Metropolitan Airport Weather Forecast

    • 61
    • 88

    Rain Showers

    • 56
    • 71

    Chance Rain Showers

    • 55
    • 70

    Mostly Cloudy

    • 54
    • 69

    Mostly Cloudy

    • 53
    • 71

    Mostly Cloudy

    • 50
    • 72

    Partly Sunny

    • 53
    • 75

    Partly Sunny

Today 20 Sep Hamilton

Partly cloudy. Lows in the lower 50s. Highs in the upper 70s.

Tonight 20 Sep Hamilton

Mostly cloudy. Showers with a chance of Thunderstorms through the late Overnight, then a chance of Showers toward daybreak. Lows in the upper 50s. Northeast Winds 10 to 15 Mph. Chance of rain 90 percent.

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Indianapolis Metropolitan Airport Temperature Statistics

September Temperature

INDIANAPOLIS (12.4 miles)

  • Lowest 14 September, 2026

    51.8 °F

  • Average September

    74.6 °F

  • Highest 4 September, 2026

    93.9 °F

Climate (2021–2026)

INDIANAPOLIS (12.4 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.4 °F
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