Mill River Weather Forecast

    • 57
    • 78

    Rain Showers

    • 55
    • 73

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

    • 60
    • 79

    Mostly Cloudy

    • 67
    • 77

    Mostly Cloudy

    • 59
    • 82

    Slight Chance Rain Showers

Today 5 Sep Southern New Haven

Sunny. Scattered Showers this afternoon. Highs in the upper 70s. North Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 5 Sep Southern New Haven

Mostly cloudy in the Evening, then becoming partly cloudy. Scattered Showers. Lows in the upper 50s. Northeast Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mill River Temperature Statistics

September Temperature

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

  • Lowest 1 September, 2026

    63 °F

  • Average September

    68.3 °F

  • Highest 1 September, 2026

    73.9 °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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