Hopatcong Weather Forecast

    • 46
    • 64

    Decreasing Clouds

    • 48
    • 68

    Mostly Sunny

    • 52
    • 72

    Mostly Cloudy

    • 54
    • 64

    Chance Rain Showers

    • 57
    • 69

    Chance Rain Showers

    • 55
    • 73

    Chance Rain Showers

Today 25 May Sussex

Partly sunny. A slight chance of Showers in the afternoon. Highs in the mid 60s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 25 May Sussex

Partly cloudy. Lows in the mid 40s. Northwest Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hopatcong Temperature Statistics

May Temperature

Andover, Aeroflex-Andover Airport (6.2 miles)

  • Lowest 1 May, 2025

    41 °F

  • Average May

    60.7 °F

  • Highest 2 May, 2025

    82 °F

Climate (2020–Present)

Andover, Aeroflex-Andover Airport (6.2 miles)

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

  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    53.9 °F

  • Average High 2020–2025

    63.9 °F
Get WillyWeather+ to remove ads