High Mountain Park Preserve Weather Forecast

    • 45
    • 58

    Rain Showers

    • 41
    • 53

    Slight Chance Rain Showers

    • 37
    • 55

    Partly Sunny

    • 37
    • 54

    Partly Sunny

    • 43
    • 56

    Partly Sunny

    • 37
    • 57

    Mostly Sunny

Today 30 Oct Eastern Passaic

Showers this Morning, then Showers with a slight chance of Thunderstorms this afternoon. Highs in the lower 60s. East Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

Tonight 30 Oct Eastern Passaic

Mostly cloudy. Showers likely with a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the upper 40s. East Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming southwest 5 to 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 70 percent.

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High Mountain Park Preserve Temperature Statistics

October Temperature

Caldwell, Essex County Airport (7.5 miles)

  • Lowest 27 October, 2025

    34 °F

  • Average October

    57.2 °F

  • Highest 5 October, 2025

    86 °F

Climate (2020–Present)

Caldwell, Essex County Airport (7.5 miles)

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  • Average Low 2020–2025

    47.1 °F

  • Average 2020–2025

    56.3 °F

  • Average High 2020–2025

    65.6 °F
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