Indianapolis Zoo Weather Forecast

    • 27
    • 38

    Mostly Sunny

    • 42
    • 49

    Chance Rain

    • 37
    • 57

    Mostly Cloudy

    • 55
    • 60

    Rain Likely

    • 54
    • 66

    Chance Rain

    • 44
    • 64

    Mostly Cloudy

    • 31
    • 56

    Chance Rain

Today 21 Dec Marion

Sunny, cooler with Highs in the upper 30s. North Winds around 5 Mph.

Tonight 21 Dec Marion

Mostly clear. Cold with Lows in the upper 20s. Northeast Winds around 5 Mph, becoming southeast.

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Indianapolis Zoo Temperature Statistics

December Temperature

Indianapolis International Airport (5.6 miles)

  • Lowest 14 December, 2025

    -4 °F

  • Average December

    27.2 °F

  • Highest 18 December, 2025

    54 °F

Climate (2020–Present)

Indianapolis International Airport (5.6 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    64.7 °F
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