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.

21°F

-6°C

Humidity 62%
Wind Speed N 7 mph
Barometer 30.10 in (1020.5 mb)
Dewpoint 10°F (-12°C)
Visibility NA
Wind Chill12°F (-11°C)
Last update 13 Feb 3:54 am EST
Extended Forecast for

Lake Hopatcong NJ

  • Today

    Today: Sunny, with a high near 33. North wind around 5 mph.

    High: 33 °F

    Sunny

  • Tonight

    Tonight: A chance of snow showers, mainly between 1am and 4am. Increasing clouds, with a low around 18. Calm wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Mostly Clear
    then Chance
    Snow Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 40. Northwest wind around 5 mph.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 36. Calm wind becoming southeast around 5 mph.

    High: 36 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 33. North wind around 5 mph.
Tonight
A chance of snow showers, mainly between 1am and 4am. Increasing clouds, with a low around 18. Calm wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
Mostly sunny, with a high near 40. Northwest wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 19. Calm wind.
Sunday
Partly sunny, with a high near 36. Calm wind becoming southeast around 5 mph.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Washington's Birthday
Mostly cloudy, with a high near 40.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A chance of rain. Cloudy, with a high near 45. Chance of precipitation is 50%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
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 74.64°W (Elev. 971 ft)
Last Update:
4:15 am EST Feb 13, 2026
Forecast Valid:
4am EST Feb 13, 2026-6pm EST Feb 19, 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