Old Tappan Weather Forecast

    • 57
    • 71

    Chance Rain Showers

    • 57
    • 66

    Rain Showers Likely

    • 58
    • 66

    Chance Rain Showers

    • 57
    • 69

    Partly Sunny

    • 57
    • 73

    Partly Sunny

    • 60
    • 75

    Partly Sunny

Today 25 Sep Eastern Bergen

Mostly cloudy. Highs in the lower 70s. North Winds 10 to 15 Mph with Gusts up to 35 Mph.

Tonight 25 Sep Eastern Bergen

Mostly cloudy with a 50 percent chance of rain. Lows in the upper 50s. North Winds 15 to 20 Mph with Gusts up to 40 Mph.

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  • Temperature Real-Time

Old Tappan Temperature Statistics

September Temperature

Teterboro, Teterboro Airport (10.6 miles)

  • Lowest 15 September, 2026

    55 °F

  • Average September

    71.7 °F

  • Highest 3 September, 2026

    87.1 °F

Climate (2021–2026)

Teterboro, Teterboro Airport (10.6 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    64.8 °F
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