New Haven Weather Forecast

    • 55
    • 73

    Increasing Clouds

    • 56
    • 68

    Mostly Cloudy

    • 46
    • 70

    Partly Sunny

    • 41
    • 73

    Mostly Cloudy

    • 16
    • 50

    Partly Sunny

    • 14
    • 27

    Partly Sunny

Today 24 Dec Franklin

Mostly sunny. Highs in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 24 Dec Franklin

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 50s. Southwest Winds 5 to 10 Mph.

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New Haven Temperature Statistics

December Temperature

Washington Regional Airport (11.8 miles)

  • Lowest 14 December, 2025

    8.6 °F

  • Average December

    34.4 °F

  • Highest 22 December, 2025

    60.8 °F

Climate (2020–Present)

Washington Regional Airport (11.8 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    69 °F
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