Seaside Point Weather Forecast

    • 61
    • 78

    Mostly Cloudy

    • 64
    • 81

    Partly Sunny

    • 67
    • 82

    Slight Chance Thunderstorms

    • 71
    • 87

    Mostly Sunny

    • 73
    • 93

    Mostly Sunny

    • 69
    • 92

    Slight Chance Thunderstorms

Today 28 Jun Southern New London

Mostly cloudy with a slight chance of Showers in the Morning, then partly sunny in the afternoon. Highs in the upper 70s. Northeast Winds around 5 Mph, becoming southeast in the afternoon. Chance of rain 20 percent.

Tonight 28 Jun Southern New London

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaside Point Temperature Statistics

June Temperature

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

  • Lowest 2 June, 2026

    42.1 °F

  • Average June

    66.4 °F

  • Highest 11 June, 2026

    87.1 °F

Climate (2021–2026)

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