Old Tappan Weather Forecast

    • 27
    • 32

    Increasing Clouds

    • 31
    • 43

    Rain

    • 26
    • 38

    Partly Sunny

    • 26
    • 37

    Chance Snow

    • 26
    • 38

    Chance Snow

    • 16
    • 33

    Partly Sunny

Today 9 Dec Eastern Bergen

Partly cloudy. Highs in the lower 30s. North Winds around 5 Mph, becoming south around 5 Mph this afternoon.

Tonight 9 Dec Eastern Bergen

Mostly cloudy. Lows in the upper 20s. Southwest Winds 5 to 10 Mph.

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Old Tappan Temperature Statistics

December Temperature

Teterboro, Teterboro Airport (10.6 miles)

  • Lowest 5 December, 2025

    18 °F

  • Average December

    33.5 °F

  • Highest 1 December, 2025

    44.1 °F

Climate (2020–Present)

Teterboro, Teterboro Airport (10.6 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    56.2 °F

  • Average High 2020–2025

    64.8 °F
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