Millstone Weather Forecast

    • 48
    • 59

    Increasing Clouds

    • 45
    • 58

    Rain

    • 39
    • 50

    Rain

    • 38
    • 47

    Partly Sunny

    • 37
    • 51

    Mostly Sunny

    • 35
    • 51

    Mostly Sunny

Today 11 Nov Southern New London

Mostly sunny. Highs in the upper 50s. West Winds 5 to 10 Mph.

Tonight 11 Nov Southern New London

Mostly cloudy. Lows in the lower 40s. Light and variable Winds, becoming east around 5 Mph after midnight.

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Millstone Temperature Statistics

November Temperature

Groton / New London, Groton / New London Airport (6.2 miles)

  • Lowest 1 November, 2026

    33.1 °F

  • Average November

    56.6 °F

  • Highest 5 November, 2026

    69.1 °F

Climate (2021–2026)

Groton / New London, Groton / New London Airport (6.2 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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