Wanaque Reservoir Weather Forecast

    • 51
    • 71

    Mostly Sunny

    • 62
    • 79

    Partly Sunny

    • 65
    • 81

    Partly Sunny

    • 57
    • 80

    Partly Sunny

    • 59
    • 74

    Chance Rain Showers

    • 57
    • 76

    Chance Rain Showers

Today 15 Sep Western Passaic

Sunny. Highs in the lower 70s. Northeast Winds around 5 Mph, becoming south in the afternoon.

Tonight 15 Sep Western Passaic

Mostly clear. Lows in the lower 50s. South Winds around 5 Mph.

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Wanaque Reservoir Temperature Statistics

September Temperature

Caldwell, Essex County Airport (13 miles)

  • Lowest 7 September, 2026

    55 °F

  • Average September

    71.6 °F

  • Highest 3 September, 2026

    86 °F

Climate (2021–2026)

Caldwell, Essex County Airport (13 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    55.9 °F

  • Average High 2021–2026

    65.1 °F
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