Hillburn Reservoir Weather Forecast

    • 56
    • 78

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 56
    • 77

    Mostly Cloudy

    • 58
    • 76

    Slight Chance Rain Showers

    • 57
    • 80

    Partly Sunny

Today 14 Sep Rockland

Sunny. A slight chance of Showers this afternoon. Highs in the upper 70s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 14 Sep Rockland

Mostly clear. Lows in the upper 50s. North Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hillburn Reservoir Temperature Statistics

September Temperature

Caldwell, Essex County Airport (18 miles)

  • Lowest 8 September, 2025

    50 °F

  • Average September

    67.2 °F

  • Highest 5 September, 2025

    84.9 °F

Climate (2020–Present)

Caldwell, Essex County Airport (18 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    47.1 °F

  • Average 2020–2025

    56.3 °F

  • Average High 2020–2025

    65.6 °F
Get WillyWeather+ to remove ads