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.

28°F

-2°C

Humidity 53%
Wind Speed Vrbl 7 G 24 mph
Barometer 29.53 in (1000.7 mb)
Dewpoint 13°F (-11°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 29 Dec 11:54 pm EST
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

Wind Advisory December 30, 12:08am until December 30, 01:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 30, 12:08am until December 30, 01:00pm

    NOW until 1:00pm Tue

    Wind Advisory

  • Overnight

    Low: 21 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 27. West wind around 15 mph, with gusts as high as 40 mph.

    High: 27 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 29. West wind around 10 mph, with gusts as high as 25 mph.

    High: 29 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 17. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Chance Snow

  • New Year's Day

    New Year's Day: A slight chance of snow before 1pm. Mostly sunny, with a high near 23. Chance of precipitation is 20%.

    High: 23 °F

    Slight Chance
    Snow

  • Thursday Night

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

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. Breezy, with a west wind around 20 mph, with gusts as high as 45 mph.
Tuesday
Mostly cloudy, with a high near 27. West wind around 15 mph, with gusts as high as 40 mph.
Tuesday Night
Mostly cloudy, with a low around 20. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a high near 29. West wind around 10 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 17. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.
New Year's Day
A slight chance of snow before 1pm. Mostly sunny, with a high near 23. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Partly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 32.
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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:
4:12 pm EST Dec 29, 2025
Forecast Valid:
12am EST Dec 30, 2025-6pm EST Jan 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