Old Tappan Weather Forecast

    • 68
    • 82

    Rain Showers

    • 64
    • 84

    Chance Thunderstorms

    • 66
    • 84

    Mostly Sunny

    • 69
    • 86

    Partly Sunny

    • 69
    • 86

    Partly Sunny

    • 69
    • 84

    Chance Rain Showers

Today 27 Aug Eastern Bergen

Showers and Thunderstorms likely. Some Thunderstorms may produce heavy rainfall. Highs in the lower 80s. South Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 27 Aug Eastern Bergen

Mostly cloudy. Showers with Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the upper 60s. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 90 percent.

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Old Tappan Temperature Statistics

August Temperature

Teterboro, Teterboro Airport (10.6 miles)

  • Lowest 25 August, 2026

    61 °F

  • Average August

    77 °F

  • Highest 7 August, 2026

    93 °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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