Indianapolis Zoo Weather Forecast

    • 72
    • 94

    Rain Showers Likely

    • 72
    • 91

    Chance Thunderstorms

    • 70
    • 93

    Chance Thunderstorms

    • 68
    • 87

    Partly Sunny

    • 70
    • 90

    Chance Rain Showers

    • 63
    • 85

    Chance Rain Showers

Today 15 Sep Marion

Partly cloudy through early Afternoon, then mostly sunny with a chance of Showers and Thunderstorms late in the afternoon. Much warmer. More humid with Highs in the lower 90s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 15 Sep Marion

A chance of Showers and Thunderstorms through the late Overnight, then Showers likely with a slight chance of Thunderstorms toward daybreak. Humid with Lows around 70. South Winds around 5 Mph, becoming east toward daybreak. Chance of rain 70 percent.

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Indianapolis Zoo Temperature Statistics

September Temperature

Indianapolis International Airport (5.6 miles)

  • Lowest 7 September, 2026

    62.7 °F

  • Average September

    80.4 °F

  • Highest 4 September, 2026

    97.6 °F

Climate (2021–2026)

Indianapolis International Airport (5.6 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    65.3 °F
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