New Haven Weather Forecast

    • 37
    • 44

    Chance Rain Showers

    • 31
    • 47

    Chance Rain/Snow

    • 16
    • 38

    Slight Chance Snow

    • 26
    • 33

    Partly Sunny

    • 27
    • 40

    Mostly Cloudy

    • 21
    • 37

    Mostly Cloudy

Today 13 Jan Southern New Haven

Sunny. Highs in the lower 40s. Southwest Winds 5 to 10 Mph.

Tonight 13 Jan Southern New Haven

Mostly cloudy. A chance of Showers after midnight. Near steady temperature in the upper 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

New Haven Temperature Statistics

January Temperature

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

  • Lowest 1 January, 2026

    21.9 °F

  • Average January

    35.2 °F

  • Highest 9 January, 2026

    51.1 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    63.7 °F
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