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

A coastal storm is expected to impact portions of the area through Sunday.

A coastal storm is expected to impact the area through Sunday. Impacts are expected to be confined mainly near the coasts of New Jersey and Delaware, where the greatest potential and impacts from minor coastal flooding and strong winds are forecast to occur. Read More >

Hazardous Weather Conditions

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

3°F

-16°C

Humidity 66%
Wind Speed NA
Barometer 29.89 in (1014.2 mb)
Dewpoint -6°F (-21°C)
Visibility NA
Last update 1 Feb 7:54 am EST
Extended Forecast for

2 Miles NNE Lake Hopatcong NJ

Cold Weather Advisory February 1, 08:19am until February 1, 10:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory February 1, 08:19am until February 1, 10:00am

    NOW until 10:00am Sun

    Cold Weather Advisory

  • Today

    High: 20 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 9. Wind chill values as low as -7. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 9 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 28. Wind chill values as low as -5. Northwest wind 5 to 10 mph, with gusts as high as 30 mph.

    High: 28 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 9. Northwest wind around 5 mph becoming calm after midnight.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Calm wind becoming west around 5 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 20. Wind chill values as low as -13. Northwest wind around 15 mph, with gusts as high as 35 mph.
Tonight
Partly cloudy, with a low around 9. Wind chill values as low as -7. Northwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 28. Wind chill values as low as -5. Northwest wind 5 to 10 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 9. Northwest wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 30. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 8.
Thursday
Mostly sunny, with a high near 27.
Thursday Night
Partly cloudy, with a low around 7.
Friday
A chance of snow. Mostly cloudy, with a high near 27. Chance of precipitation is 40%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 9. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Lake Hopatcong NJ
 40.98°N 74.6°W (Elev. 997 ft)
Last Update:
5:36 am EST Feb 1, 2026
Forecast Valid:
8am EST Feb 1, 2026-6pm EST Feb 7, 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