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

Hazardous Weather Conditions

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

25°F

-4°C

Humidity 66%
Wind Speed SW 3 mph
Barometer 29.71 in (1007.4 mb)
Dewpoint 15°F (-9°C)
Visibility NA
Last update 25 Feb 3:54 am EST
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Overnight

    Overnight: Snow likely. Cloudy, with a steady temperature around 22. South wind around 10 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

    Low: 22 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 40. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. West wind 5 to 10 mph.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of snow after 1pm. Partly sunny, with a high near 35. West wind around 5 mph. Chance of precipitation is 20%.

    High: 35 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

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

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow likely. Cloudy, with a steady temperature around 22. South wind around 10 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Snow likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 40. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 24. West wind 5 to 10 mph.
Thursday
A slight chance of snow after 1pm. Partly sunny, with a high near 35. West wind around 5 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 19. Calm wind.
Friday
Sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 15.
Monday
A chance of snow. Partly sunny, with a high near 24. Chance of precipitation is 40%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Tuesday
A chance of snow. Partly sunny, with a high near 29. 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 74.54°W (Elev. 1237 ft)
Last Update:
4:13 am EST Feb 25, 2026
Forecast Valid:
4am EST Feb 25, 2026-6pm EST Mar 3, 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