Weather forecast for: Lake Hopatcong NJ
Last Update: 4:10 pm EDT Aug 4, 2026
Overnight: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 62. Calm wind.
Wednesday: A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 81. Calm wind becoming south around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday: Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday: Mostly sunny, with a high near 84.
Sunday Night: Partly cloudy, with a low around 67.
Monday: Mostly sunny, with a high near 85.
Monday Night: Partly cloudy, with a low around 67.
Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
WeatherWorld.com
