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.

39°F

4°C

Humidity 48%
Wind Speed Vrbl 5 mph
Barometer 30.10 in (1020.5 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 27 Feb 10:54 am EST
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Today

    Today: Sunny, with a high near 42. Southwest wind around 5 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. South wind around 5 mph.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50. Southwest wind around 5 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 29. Calm wind becoming north around 5 mph after midnight.

    Low: 29 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of snow before 1pm. Partly sunny, with a high near 34. Northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Monday

    Monday: A chance of snow after 1pm. Partly sunny, with a high near 25. Chance of precipitation is 30%.

    High: 25 °F

    Partly Sunny
    then Chance
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.

    High: 35 °F

    Partly Sunny
    then Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 42. Southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 28. South wind around 5 mph.
Saturday
Sunny, with a high near 50. Southwest wind around 5 mph.
Saturday Night
Increasing clouds, with a low around 29. Calm wind becoming north around 5 mph after midnight.
Sunday
A chance of snow before 1pm. Partly sunny, with a high near 34. Northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Sunday Night
Partly cloudy, with a low around 12.
Monday
A chance of snow after 1pm. Partly sunny, with a high near 25. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
Tuesday Night
Snow likely before 1am, then rain likely. Cloudy, with a low around 28. Chance of precipitation is 70%.
Wednesday
A chance of rain. Mostly sunny, with a high near 45. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
A chance of rain. Cloudy, with a high near 46. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Lake Hopatcong NJ
 41°N 74.57°W (Elev. 1115 ft)
Last Update:
4:09 am EST Feb 27, 2026
Forecast Valid:
11am EST Feb 27, 2026-6pm EST Mar 5, 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