Old Tappan Weather Forecast

    • 68
    • 81

    Chance Rain Showers

    • 55
    • 81

    Partly Sunny

    • 59
    • 72

    Rain Showers Likely

    • 59
    • 69

    Rain Showers Likely

    • 55
    • 68

    Chance Rain Showers

    • 50
    • 60

    Chance Rain Showers

    • 51
    • 61

    Slight Chance Rain Showers

Today 17 Sep Eastern Bergen

Partly sunny with a 30 percent chance of Showers. Highs in the lower 60s.

Tonight 17 Sep Eastern Bergen

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Humid with Lows in the upper 60s. South Winds around 5 Mph, becoming west after midnight. Chance of rain 40 percent.

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Old Tappan Temperature Statistics

September Temperature

Teterboro, Teterboro Airport (10.6 miles)

  • Lowest 15 September, 2026

    55 °F

  • Average September

    72.7 °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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