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.

41°F

5°C

Humidity 39%
Wind Speed NW 3 mph
Barometer 29.86 in (1012.1 mb)
Dewpoint 18°F (-8°C)
Visibility NA
Last update 26 Feb 11:54 am EST
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • This Afternoon

    This Afternoon: A slight chance of snow between 3pm and 4pm. Partly sunny, with a high near 37. West wind around 5 mph. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Mostly clear, with a low around 19. North wind around 5 mph.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. Calm wind becoming southwest around 5 mph after midnight.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 49. Southwest wind around 5 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after 1am. Partly cloudy, with a low around 27. Chance of precipitation is 20%.

    Low: 27 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Sunday Night

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

    Low: 12 °F

    Partly Cloudy

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.

    High: 24 °F

    Chance Snow

Detailed Forecast

This Afternoon
A slight chance of snow between 3pm and 4pm. Partly sunny, with a high near 37. West wind around 5 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 19. North wind around 5 mph.
Friday
Sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 27. Calm wind becoming southwest around 5 mph after midnight.
Saturday
Sunny, with a high near 49. Southwest wind around 5 mph.
Saturday Night
A slight chance of snow after 1am. Partly cloudy, with a low around 27. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 12.
Monday
A chance of snow. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Wednesday
A chance of rain. Mostly sunny, with a high near 42. 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:
4:12 am EST Feb 26, 2026
Forecast Valid:
12pm EST Feb 26, 2026-6pm EST Mar 4, 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