West Haven Weather Forecast

    • 57
    • 70

    Mostly Sunny

    • 64
    • 75

    Partly Sunny

    • 66
    • 78

    Chance Rain Showers

    • 55
    • 77

    Partly Sunny

    • 58
    • 68

    Rain Showers Likely

    • 59
    • 71

    Rain Showers Likely

    • 58
    • 71

    Chance Rain Showers

Today 15 Sep Southern New Haven

Sunny. Near steady temperature around 70. South Winds 5 to 10 Mph.

Tonight 15 Sep Southern New Haven

Mostly clear. Lows in the mid 50s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Haven Temperature Statistics

September Temperature

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

  • Lowest 7 September, 2026

    52 °F

  • Average September

    69.9 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    63.3 °F
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