Hamden Weather Forecast

    • 57
    • 64

    Rain

    • 52
    • 67

    Mostly Cloudy

    • 47
    • 64

    Chance Rain Showers

    • 48
    • 65

    Mostly Cloudy

    • 48
    • 64

    Chance Rain Showers

    • 49
    • 64

    Chance Rain Showers

Today 20 Sep Northern New Haven

Rain. Highs in the lower 60s. Southeast Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 20 Sep Northern New Haven

Periods of rain. Lows in the mid 50s. East Winds around 5 Mph, becoming north with Gusts up to 20 Mph after midnight. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

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Hamden Temperature Statistics

September Temperature

New Haven, Tweed-New Haven Airport (8.1 miles)

  • Lowest 7 September, 2026

    52 °F

  • Average September

    69.6 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

New Haven, Tweed-New Haven Airport (8.1 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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