Lake Quassapaug Weather Forecast

    • 72
    • 84

    Chance Thunderstorms

    • 72
    • 85

    Rain Showers Likely

    • 67
    • 84

    Chance Thunderstorms

    • 64
    • 83

    Mostly Sunny

    • 65
    • 84

    Slight Chance Thunderstorms

    • 62
    • 82

    Chance Thunderstorms

Today 6 Aug Northern New Haven

Mostly cloudy with a slight chance of Showers in the Morning, then partly sunny with a chance of Showers with a slight chance of Thunderstorms in the afternoon. Humid with Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values in the upper 90s.

Tonight 6 Aug Northern New Haven

Partly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of Showers after midnight. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Lake Quassapaug Temperature Statistics

August Temperature

Oxford, Waterbury-Oxford Airport (3.1 miles)

  • Lowest 1 August, 2026

    63 °F

  • Average August

    73.9 °F

  • Highest 1 August, 2026

    84.9 °F

Climate (2021–2026)

Oxford, Waterbury-Oxford Airport (3.1 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    59.4 °F
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