Passaic River Park Weather Forecast

    • 45
    • 66

    Slight Chance Rain Showers

    • 48
    • 65

    Mostly Sunny

    • 50
    • 64

    Rain Showers

    • 49
    • 78

    Rain Showers

    • 44
    • 63

    Slight Chance Rain Showers

    • 46
    • 64

    Partly Sunny

Today 7 May Morris

Mostly sunny. Highs in the lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 7 May Morris

Partly cloudy. A slight chance of Showers after midnight. Lows in the lower 40s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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Passaic River Park Temperature Statistics

May Temperature

Morristown Municipal (7.5 miles)

  • Lowest 1 May, 2026

    39.2 °F

  • Average May

    54 °F

  • Highest 5 May, 2026

    82.4 °F

Climate (2021–Present)

Morristown Municipal (7.5 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    64 °F
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