Uncasville Weather Forecast

    • 53
    • 66

    Rain

    • 55
    • 62

    Rain

    • 57
    • 66

    Rain

    • 54
    • 66

    Chance Rain Showers

    • 54
    • 70

    Partly Sunny

    • 56
    • 72

    Partly Sunny

Today 25 Sep Northern New London

Mostly cloudy. A chance of Showers this afternoon. Highs in the mid 60s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 25 Sep Northern New London

Rain likely. Breezy with Lows in the lower 50s. Northeast Winds 20 to 25 Mph with Gusts up to 45 Mph. Chance of rain 70 percent.

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Uncasville Temperature Statistics

September Temperature

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

  • Lowest 23 September, 2026

    48 °F

  • Average September

    66.4 °F

  • Highest 4 September, 2026

    82 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.7 °F
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