Lake Plymouth Weather Forecast

    • 50
    • 68

    Increasing Clouds

    • 59
    • 75

    Partly Sunny

    • 62
    • 77

    Mostly Cloudy

    • 50
    • 76

    Partly Sunny

    • 54
    • 67

    Chance Rain Showers

    • 55
    • 72

    Chance Rain Showers

Today 15 Sep Southern Litchfield

Sunny. Highs around 70. Northeast Winds around 5 Mph, becoming south around 5 Mph this afternoon.

Tonight 15 Sep Southern Litchfield

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. South Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Plymouth Temperature Statistics

September Temperature

Oxford, Waterbury-Oxford Airport (12.4 miles)

  • Lowest 7 September, 2026

    48.9 °F

  • Average September

    66.5 °F

  • Highest 10 September, 2026

    82 °F

Climate (2021–2026)

Oxford, Waterbury-Oxford Airport (12.4 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    59.4 °F
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