Hillburn Reservoir Weather Forecast

    • 38
    • 46

    Rain Showers

    • 38
    • 57

    Partly Sunny

    • 41
    • 65

    Mostly Sunny

    • 45
    • 63

    Chance Rain Showers

    • 46
    • 60

    Rain Showers Likely

    • 40
    • 56

    Chance Rain Showers

    • 39
    • 55

    Chance Rain Showers

Today 25 Apr Rockland

Showers, cooler with Highs in the upper 40s. Southeast Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 25 Apr Rockland

Cloudy with a 50 percent chance of Showers. Areas of fog. Lows in the upper 30s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hillburn Reservoir Temperature Statistics

April Temperature

Caldwell, Essex County Airport (18 miles)

  • Lowest 8 April, 2026

    28 °F

  • Average April

    55.3 °F

  • Highest 16 April, 2026

    90 °F

Climate (2021–Present)

Caldwell, Essex County Airport (18 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    56.1 °F

  • Average High 2021–2026

    65.3 °F
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