Heritage Lake Weather Forecast

    • 45
    • 61

    Slight Chance Rain Showers

    • 50
    • 67

    Rain Showers Likely

    • 55
    • 73

    Rain Showers Likely

    • 44
    • 68

    Rain Showers Likely

    • 46
    • 64

    Partly Sunny

    • 53
    • 68

    Chance Rain Showers

Today 7 May Putnam

Sunny, then becoming partly cloudy. Highs in the lower 60s. Northwest Winds around 5 Mph, becoming west with Gusts up to 20 Mph.

Tonight 7 May Putnam

Partly cloudy. Lows in the mid 40s. Southwest Winds 5 to 10 Mph.

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Heritage Lake Temperature Statistics

May Temperature

Indianapolis International Airport (23 miles)

  • Lowest 3 May, 2026

    36.6 °F

  • Average May

    52.5 °F

  • Highest 4 May, 2026

    75 °F

Climate (2021–Present)

Indianapolis International Airport (23 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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