Hillburn Reservoir Weather Forecast

    • 51
    • 69

    Decreasing Clouds

    • 44
    • 68

    Mostly Sunny

    • 48
    • 68

    Partly Sunny

    • 46
    • 54

    Rain Showers

    • 44
    • 51

    Rain Showers Likely

    • 46
    • 57

    Chance Rain Showers

    • 46
    • 62

    Partly Sunny

Today 18 May Rockland

Partly sunny late this Morning, then mostly cloudy with a slight chance of Showers this afternoon. Highs around 70. West Winds around 15 Mph with Gusts up to 40 Mph. Chance of rain 20 percent.

Tonight 18 May Rockland

Mostly cloudy this Evening, then clearing. Lows in the lower 50s. Northwest Winds 10 to 15 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hillburn Reservoir Temperature Statistics

May Temperature

Caldwell, Essex County Airport (18 miles)

  • Lowest 1 May, 2025

    45.6 °F

  • Average May

    64.3 °F

  • Highest 2 May, 2025

    86.6 °F

Climate (2020–Present)

Caldwell, Essex County Airport (18 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    56.4 °F

  • Average High 2020–2025

    65.7 °F
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