Thames River - Cow Point Weather Forecast

    • 36
    • 55

    Increasing Clouds

    • 36
    • 53

    Rain Likely

    • 28
    • 46

    Chance Rain

    • 32
    • 46

    Partly Sunny

    • 29
    • 48

    Slight Chance Rain

    • 34
    • 50

    Chance Rain

Today 21 Mar Northern New London

Patchy fog in the morning. Mostly sunny. Highs in the mid 50s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 21 Mar Northern New London

Mostly cloudy. Lows in the mid 30s. North Winds around 5 Mph, becoming southeast after midnight.

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Thames River - Cow Point Temperature Statistics

March Temperature

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

  • Lowest 3 March, 2026

    12 °F

  • Average March

    37.5 °F

  • Highest 9 March, 2026

    63 °F

Climate (2021–Present)

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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