Uncasville Weather Forecast

    • 64
    • 88

    Mostly Sunny

    • 64
    • 85

    Chance Rain Showers

    • 63
    • 84

    Chance Rain Showers

    • 56
    • 80

    Mostly Sunny

    • 56
    • 80

    Partly Sunny

    • 62
    • 79

    Chance Rain Showers

Today 11 Aug Northern New London

Mostly sunny. Humid with Highs in the upper 80s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 11 Aug Northern New London

Partly cloudy. Lows in the mid 60s. Northwest Winds 5 to 10 Mph.

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Uncasville Temperature Statistics

August Temperature

Groton / New London, Groton / New London Airport (7.5 miles)

  • Lowest 5 August, 2026

    59 °F

  • Average August

    74.3 °F

  • Highest 7 August, 2026

    86 °F

Climate (2021–2026)

Groton / New London, Groton / New London Airport (7.5 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    60.8 °F
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