Lake Plymouth Weather Forecast

    • 52
    • 68

    Patchy Fog

    • 57
    • 71

    Patchy Fog

    • 61
    • 75

    Partly Sunny

    • 56
    • 78

    Slight Chance Rain Showers

    • 49
    • 67

    Rain Showers Likely

    • 49
    • 62

    Chance Rain Showers

Today 29 Sep Southern Litchfield

Mostly sunny. Highs in the upper 60s. Northwest Winds around 5 Mph.

Tonight 29 Sep Southern Litchfield

Partly cloudy in the Evening, then becoming mostly clear. Patchy fog. Lows in the lower 50s. Northwest 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 15 September, 2026

    46 °F

  • Average September

    63.1 °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

    59.3 °F
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