Hammonasset Beach State Park Weather Forecast

    • 65
    • 81

    Decreasing Clouds

    • 60
    • 85

    Slight Chance Thunderstorms

    • 58
    • 79

    Mostly Sunny

    • 62
    • 79

    Mostly Sunny

    • 65
    • 83

    Partly Sunny

    • 65
    • 83

    Slight Chance Rain Showers

Today 6 Jun Southern New Haven

Mostly sunny this Morning, then becoming mostly cloudy. Highs in the mid 80s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph this afternoon.

Tonight 6 Jun Southern New Haven

Showers and Thunderstorms likely in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Some Thunderstorms may be severe with damaging Winds, large Hail, and heavy rainfall in the evening. Some Thunderstorms may produce gusty Winds, small Hail, and heavy rainfall after midnight. Lows in the mid 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming west around 5 Mph after midnight. Chance of rain 60 percent.

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Hammonasset Beach State Park Temperature Statistics

June Temperature

Chester, Chester Airport (8.1 miles)

  • Lowest 1 June, 2026

    46.4 °F

  • Average June

    63.6 °F

  • Highest 3 June, 2026

    84.2 °F

Climate (2021–Present)

Chester, Chester Airport (8.1 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    62.5 °F
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