Hopatcong Weather Forecast

    • 19
    • 41

    Decreasing Clouds

    • 27
    • 42

    Mostly Sunny

    • 27
    • 48

    Slight Chance Rain/Snow

    • 13
    • 34

    Chance Snow

    • 14
    • 26

    Chance Snow

    • 26
    • 35

    Chance Rain/Snow

    • 29
    • 45

    Slight Chance Rain

Today 26 Feb Sussex

Partly sunny. Highs in the lower 40s. Temperature falling into the upper 30s late. West Winds around 5 Mph.

Tonight 26 Feb Sussex

Partly cloudy. Cold with Lows around 17. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hopatcong Temperature Statistics

February Temperature

Andover, Aeroflex-Andover Airport (6.2 miles)

  • Lowest 3 February, 2026

    1 °F

  • Average February

    26.1 °F

  • Highest 17 February, 2026

    48 °F

Climate (2021–Present)

Andover, Aeroflex-Andover Airport (6.2 miles)

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

  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.6 °F
Get WillyWeather+ to remove ads