Twin Lakes Weather Forecast

    • 39
    • 54

    Slight Chance Rain Showers

    • 39
    • 56

    Partly Sunny

    • 49
    • 65

    Mostly Sunny

    • 59
    • 77

    Slight Chance Thunderstorms

    • 54
    • 76

    Partly Sunny

    • 53
    • 71

    Partly Sunny

Today 5 Sep Grant

Mostly cloudy with a 20 percent chance of Showers. Cooler with Highs in the mid 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 5 Sep Grant

Mostly cloudy in the Evening, then clearing. Lows around 40. West Winds 10 to 15 Mph.

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Twin Lakes Temperature Statistics

September Temperature

Watertown, Watertown Municipal Airport (24.9 miles)

  • Lowest 3 September, 2025

    44.1 °F

  • Average September

    62.8 °F

  • Highest 2 September, 2025

    80.1 °F

Climate (2020–Present)

Watertown, Watertown Municipal Airport (24.9 miles)

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  • Average Low 2020–2025

    34.9 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    55.6 °F
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