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.

28°F

-2°C

Humidity 72%
Wind Speed Calm
Barometer 29.82 in (1010.7 mb)
Dewpoint 20°F (-7°C)
Visibility NA
Last update 26 Feb 5:54 am EST
Extended Forecast for

Lake Hopatcong NJ

  • Today

    Today: A slight chance of snow between 1pm and 4pm. Partly sunny, with a high near 38. West wind around 5 mph. Chance of precipitation is 20%.

    High: 38 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tonight

    Tonight: Mostly clear, with a low around 19. Calm wind becoming north around 5 mph.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 43. Calm wind becoming south around 5 mph.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. Calm wind becoming south around 5 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51. Southwest wind around 5 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain and snow between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.

    Low: 28 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 26. Chance of precipitation is 40%.

    High: 26 °F

    Chance Snow

Detailed Forecast

Today
A slight chance of snow between 1pm and 4pm. Partly sunny, with a high near 38. West wind around 5 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 19. Calm wind becoming north around 5 mph.
Friday
Sunny, with a high near 43. Calm wind becoming south around 5 mph.
Friday Night
Mostly clear, with a low around 27. Calm wind becoming south around 5 mph.
Saturday
Sunny, with a high near 51. Southwest wind around 5 mph.
Saturday Night
A slight chance of rain and snow between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 13.
Monday
A chance of snow. Mostly cloudy, with a high near 26. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Wednesday
A chance of rain. Mostly sunny, with a high near 43. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Hopatcong NJ
 40.96°N 74.61°W (Elev. 984 ft)
Last Update:
4:12 am EST Feb 26, 2026
Forecast Valid:
6am EST Feb 26, 2026-6pm EST Mar 4, 2026
 
Forecast Discussion
 
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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