West Haven Weather Forecast

    • 66
    • 82

    Partly Sunny

    • 68
    • 85

    Mostly Sunny

    • 64
    • 80

    Chance Rain Showers

    • 65
    • 79

    Chance Rain Showers

    • 65
    • 77

    Rain Showers Likely

    • 63
    • 78

    Rain Showers Likely

Today 18 Aug Southern New Haven

Patchy fog early. Mostly cloudy Early, then partly sunny with a slight chance of Showers this afternoon. Humid with Highs in the lower 80s. Light and variable Winds, becoming northwest around 5 Mph this Morning, then becoming southwest around 5 Mph this afternoon. Chance of rain 20 percent.

Tonight 18 Aug Southern New Haven

Partly cloudy. A slight chance of Showers in the evening. Lows in the mid 60s. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Haven Temperature Statistics

August Temperature

New Haven, Tweed-New Haven Airport (3.1 miles)

  • Lowest 4 August, 2026

    60.8 °F

  • Average August

    76.9 °F

  • Highest 9 August, 2026

    89.6 °F

Climate (2021–2026)

New Haven, Tweed-New Haven Airport (3.1 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    63.4 °F
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