Heggs Lake Weather Forecast

    • 69
    • 89

    Chance Thunderstorms

    • 70
    • 88

    Chance Rain Showers

    • 68
    • 85

    Rain Showers Likely

    • 70
    • 84

    Rain Showers Likely

    • 60
    • 83

    Mostly Sunny

    • 56
    • 78

    Partly Sunny

    • 58
    • 77

    Partly Sunny

Today 4 Sep Clark

Mostly sunny with a 20 percent chance of Showers. Hot with Highs around 90. East Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 4 Sep Clark

Partly cloudy. A slight chance of Showers this Evening, then a chance of Thunderstorms after midnight. Lows around 70. East Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Heggs Lake Temperature Statistics

September Temperature

Watertown, Watertown Municipal Airport (23 miles)

  • Lowest 1 September, 2026

    52.6 °F

  • Average September

    70.6 °F

  • Highest 2 September, 2026

    84.9 °F

Climate (2021–2026)

Watertown, Watertown Municipal Airport (23 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    56 °F
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