Heritage Lake Weather Forecast

    • 55
    • 73

    Thunderstorms

    • 47
    • 73

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 60
    • 81

    Mostly Sunny

    • 66
    • 84

    Partly Sunny

    • 66
    • 84

    Chance Thunderstorms

Today 30 May Putnam

Cloudy toward Daybreak, then becoming partly cloudy. Scattered Showers. Isolated Thunderstorms this morning. Scattered Thunderstorms this afternoon. Highs in the lower 70s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 30 May Putnam

Partly cloudy with scattered Showers and Thunderstorms through Midnight, then mostly clear toward daybreak. Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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Heritage Lake Temperature Statistics

May Temperature

Indianapolis International Airport (23 miles)

  • Lowest 23 May, 2025

    41.6 °F

  • Average May

    63 °F

  • Highest 15 May, 2025

    87.7 °F

Climate (2020–Present)

Indianapolis International Airport (23 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.6 °F
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