Old Tappan Weather Forecast

    • 63
    • 71

    Rain Showers Likely

    • 62
    • 83

    Partly Sunny

    • 55
    • 84

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 57
    • 73

    Partly Sunny

    • 60
    • 78

    Partly Sunny

    • 63
    • 83

    Partly Sunny

Today 17 Sep Eastern Bergen

Showers likely with a chance of Thunderstorms. Near steady temperature in the upper 60s. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 17 Sep Eastern Bergen

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Patchy fog. Lows in the lower 60s. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 70 percent.

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Old Tappan Temperature Statistics

September Temperature

Teterboro, Teterboro Airport (10.6 miles)

  • Lowest 8 September, 2025

    52 °F

  • Average September

    69.3 °F

  • Highest 6 September, 2025

    86 °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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