West Harbor Weather Forecast

    • 64
    • 81

    Increasing Clouds

    • 67
    • 76

    Mostly Sunny

    • 67
    • 81

    Chance Rain Showers

    • 62
    • 73

    Partly Sunny

    • 64
    • 71

    Partly Sunny

    • 63
    • 71

    Slight Chance Rain Showers

Today 15 Aug Northeast Suffolk

Sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph, becoming east this afternoon.

Tonight 15 Aug Northeast Suffolk

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the mid 60s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Harbor Temperature Statistics

August Temperature

Groton / New London, Groton / New London Airport (4.3 miles)

  • Lowest 2 August, 2025

    57 °F

  • Average August

    73.1 °F

  • Highest 8 August, 2025

    95.6 °F

Climate (2020–Present)

Groton / New London, Groton / New London Airport (4.3 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    61.1 °F
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