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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.

8°F

-13°C

Humidity 63%
Wind Speed N 7 G 21 mph
Barometer 29.91 in (1014.7 mb)
Dewpoint -2°F (-19°C)
Visibility NA
Wind Chill-3°F (-19°C)
Last update 1 Feb 2:54 am EST
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

Cold Weather Advisory February 1, 03:36am until February 1, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory February 1, 03:36am until February 1, 10:00am

    NOW until 10:00am Sun

    Cold Weather Advisory

  • Overnight

    Low: 3 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 20. Wind chill values as low as -14. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 20 °F

    Partly Sunny
    then Partly
    Sunny and
    Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 8. Wind chill values as low as -7. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 8 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 28. Wind chill values as low as -6. Northwest wind 10 to 15 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.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 13 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 3. Wind chill values as low as -13. North wind around 15 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 20. Wind chill values as low as -14. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday Night
Partly cloudy, with a low around 8. Wind chill values as low as -7. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 28. Wind chill values as low as -6. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 9. Northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Mostly sunny, with a high near 26.
Wednesday Night
Partly cloudy, with a low around 9.
Thursday
Mostly sunny, with a high near 25.
Thursday Night
Partly cloudy, with a low around 7.
Friday
A chance of snow. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
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:
4 Miles NE Lake Hopatcong NJ
 41°N 74.57°W (Elev. 1115 ft)
Last Update:
8:52 pm EST Jan 31, 2026
Forecast Valid:
3am 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