Thames River - Cow Point Weather Forecast

    • 52
    • 70

    Partly Sunny

    • 56
    • 69

    Rain Showers

    • 51
    • 68

    Chance Rain Showers

    • 49
    • 65

    Mostly Cloudy

    • 49
    • 65

    Mostly Cloudy

    • 50
    • 65

    Chance Rain Showers

Today 19 Sep Northern New London

Mostly sunny. Highs in the upper 60s. Northeast Winds 5 to 10 Mph, becoming east in the afternoon. Gusts up to 20 Mph.

Tonight 19 Sep Northern New London

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 50s. Southeast Winds 5 to 10 Mph.

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Thames River - Cow Point Temperature Statistics

September Temperature

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

  • Lowest 15 September, 2026

    50 °F

  • Average September

    67.6 °F

  • Highest 4 September, 2026

    82 °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

    60.8 °F
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