Thames River - Cow Point Weather Forecast

    • 59
    • 84

    Mostly Cloudy

    • 69
    • 84

    Chance Rain Showers

    • 72
    • 88

    Partly Sunny

    • 71
    • 89

    Slight Chance Thunderstorms

    • 71
    • 88

    Partly Sunny

    • 69
    • 88

    Mostly Sunny

    • 69
    • 89

    Partly Sunny

Today 4 Aug Northern New London

Mostly sunny. Highs in the lower 80s. South Winds around 5 Mph.

Tonight 4 Aug Northern New London

Mostly cloudy. Patchy fog after midnight. Lows in the upper 50s. South Winds around 5 Mph this Evening, becoming light and variable.

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Thames River - Cow Point Temperature Statistics

August Temperature

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

  • Lowest 1 August, 2026

    64.9 °F

  • Average August

    73.2 °F

  • Highest 1 August, 2026

    79 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.8 °F
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