Old Tappan Weather Forecast

    • 66
    • 88

    Chance Rain Showers

    • 58
    • 81

    Mostly Sunny

    • 66
    • 81

    Slight Chance Rain Showers

    • 65
    • 81

    Chance Rain Showers

    • 64
    • 81

    Partly Sunny

    • 67
    • 83

    Mostly Cloudy

Today 10 Sep Eastern Bergen

Mostly sunny. Highs in the upper 80s. West Winds 5 to 10 Mph. Gusts up to 20 Mph.

Tonight 10 Sep Eastern Bergen

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 60s. Northwest Winds 5 to 10 Mph.

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Old Tappan Temperature Statistics

September Temperature

Teterboro, Teterboro Airport (10.6 miles)

  • Lowest 7 September, 2026

    57.9 °F

  • Average September

    73 °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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