Thames River - Horton Cove Weather Forecast

    • 50
    • 66

    Rain Showers

    • 43
    • 65

    Partly Sunny

    • 47
    • 63

    Partly Sunny

    • 49
    • 64

    Rain Showers Likely

    • 52
    • 72

    Rain Showers Likely

    • 46
    • 67

    Chance Rain Showers

Today 6 May Northern New London

Showers. Highs in the mid 60s. South Winds around 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 6 May Northern New London

Showers likely with a slight chance of Thunderstorms in the Evening, then Showers likely after midnight. Lows in the upper 40s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming northwest around 5 Mph after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thames River - Horton Cove Temperature Statistics

May Temperature

Groton / New London, Groton / New London Airport (8.1 miles)

  • Lowest 4 May, 2026

    37 °F

  • Average May

    48.8 °F

  • Highest 4 May, 2026

    60.1 °F

Climate (2021–Present)

Groton / New London, Groton / New London Airport (8.1 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    60.7 °F
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