Walnut Beach Weather Forecast

    • 57
    • 74

    Chance Rain Showers

    • 61
    • 72

    Chance Rain Showers

    • 61
    • 78

    Slight Chance Rain Showers

    • 54
    • 81

    Mostly Sunny

    • 54
    • 71

    Mostly Sunny

    • 56
    • 73

    Partly Sunny

Today 16 Sep Southern New Haven

Partly sunny. Highs in the mid 70s. Northeast Winds 5 to 10 Mph, becoming east with Gusts up to 20 Mph this afternoon.

Tonight 16 Sep Southern New Haven

Mostly cloudy. A slight chance of Showers after midnight. Lows in the upper 50s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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Walnut Beach Temperature Statistics

September Temperature

Bridgeport, Sikorsky Memorial Airport (3.1 miles)

  • Lowest 8 September, 2025

    51.1 °F

  • Average September

    68 °F

  • Highest 5 September, 2025

    82 °F

Climate (2020–Present)

Bridgeport, Sikorsky Memorial Airport (3.1 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    54.9 °F

  • Average High 2020–2025

    62.4 °F
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