Hammonasset Beach State Park Weather Forecast

    • 59
    • 73

    Mostly Sunny

    • 64
    • 73

    Mostly Cloudy

    • 68
    • 76

    Chance Rain Showers

    • 63
    • 75

    Chance Rain Showers

    • 58
    • 73

    Chance Rain Showers

    • 59
    • 73

    Mostly Sunny

Today 20 Sep Southern New Haven

Sunny. Highs in the lower 70s. East Winds 5 to 10 Mph.

Tonight 20 Sep Southern New Haven

Mostly clear. Patchy fog after midnight. Lows in the upper 50s. Southeast Winds 5 to 10 Mph.

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Hammonasset Beach State Park Temperature Statistics

September Temperature

Chester, Chester Airport (8.1 miles)

  • Lowest 11 September, 2021

    50 °F
  • Average September

    69 °F
  • Highest 15 September, 2021

    84.2 °F

Climate (2010–Present)

Chester, Chester Airport (8.1 miles)

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  • Average Low 2010–Present

    45.6 °F
  • Average 2010–Present

    53.7 °F
  • Average High 2010–Present

    62.4 °F
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