National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

52°F

11°C

Humidity 80%
Wind Speed NE 5 mph
Barometer 29.82 in (1009.6 mb)
Dewpoint 46°F (8°C)
Visibility NA
Wind Chill51°F (11°C)
Last update 6 May 10:54 pm EDT
Extended Forecast for

Lake Hopatcong NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. Northwest wind around 5 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 61. North wind around 5 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 60. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 60 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 30%.

    Low: 45 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 61. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely before 8pm. Partly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 61. North wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 40. Calm wind.
Friday
Increasing clouds, with a high near 60. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 45. Calm wind. Chance of precipitation is 30%.
Saturday
Showers, mainly after 8am. High near 61. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely before 8pm. Partly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Showers, mainly after 8pm. Low around 50. Chance of precipitation is 80%.
Monday
Showers, mainly before 2pm. High near 62. Chance of precipitation is 80%.
Monday Night
A chance of showers. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 44. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Hopatcong NJ
 40.96°N 74.61°W (Elev. 984 ft)
Last Update:
4:08 pm EDT May 6, 2026
Forecast Valid:
11pm EDT May 6, 2026-6pm EDT May 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation