New Haven Weather Forecast

    • 57
    • 80

    Mostly Sunny

    • 57
    • 77

    Partly Sunny

    • 60
    • 76

    Chance Rain Showers

    • 61
    • 79

    Chance Rain Showers

    • 55
    • 82

    Mostly Sunny

    • 51
    • 73

    Partly Sunny

Today 15 Sep Southern New Haven

Patchy fog in the morning. Sunny. Highs in the upper 70s. Northeast Winds around 5 Mph, becoming east in the afternoon.

Tonight 15 Sep Southern New Haven

Partly cloudy. Patchy fog after midnight. Lows in the upper 50s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Haven Temperature Statistics

September Temperature

New Haven, Tweed-New Haven Airport (3.7 miles)

  • Lowest 8 September, 2025

    51.1 °F

  • Average September

    68.3 °F

  • Highest 6 September, 2025

    82.9 °F

Climate (2020–Present)

New Haven, Tweed-New Haven Airport (3.7 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    55.8 °F

  • Average High 2020–2025

    63.7 °F
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