Hammonasset Beach State Park Weather Forecast

    • 39
    • 50

    Chance Rain Showers

    • 41
    • 49

    Chance Rain Showers

    • 42
    • 64

    Partly Sunny

    • 40
    • 57

    Partly Sunny

    • 40
    • 53

    Chance Rain Showers

    • 43
    • 56

    Mostly Cloudy

    • 45
    • 57

    Slight Chance Rain Showers

Today 21 Apr Southern New Haven

Sunny. Highs in the lower 50s. South Winds around 5 Mph.

Tonight 21 Apr Southern New Haven

Partly cloudy this Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the upper 30s. South Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hammonasset Beach State Park Temperature Statistics

April Temperature

Chester, Chester Airport (8.1 miles)

  • Lowest 8 April, 2026

    26.6 °F

  • Average April

    51.8 °F

  • Highest 16 April, 2026

    86 °F

Climate (2021–Present)

Chester, Chester Airport (8.1 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    62.6 °F
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