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.

29°F

-2°C

Humidity 36%
Wind Speed NE 3 mph
Barometer 30.60 in (1037.7 mb)
Dewpoint 5°F (-15°C)
Visibility NA
Last update 2 Mar 12:54 pm EST
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 32. Calm wind.

    High: 32 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 21. Calm wind.

    Low: 21 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Snow and freezing rain likely before 1pm, then rain and snow between 1pm and 4pm, then rain after 4pm. High near 37. Calm wind becoming southeast around 5 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.

    High: 37 °F

    Wintry Mix
    Likely then
    Wintry Mix

  • Tuesday Night

    Tuesday Night: Rain. Low around 34. Calm wind becoming southwest around 5 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain

  • Wednesday

    Wednesday: A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 49. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am. Cloudy, with a low around 37. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Cloudy, with a high near 53. Chance of precipitation is 50%.

    High: 53 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely. Cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 32. Calm wind.
Tonight
Increasing clouds, with a low around 21. Calm wind.
Tuesday
Snow and freezing rain likely before 1pm, then rain and snow between 1pm and 4pm, then rain after 4pm. High near 37. Calm wind becoming southeast around 5 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Tuesday Night
Rain. Low around 34. Calm wind becoming southwest around 5 mph in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 49. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, mainly after 1am. Cloudy, with a low around 37. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of showers. Cloudy, with a high near 53. Chance of precipitation is 50%.
Thursday Night
Showers likely. Cloudy, with a low around 41. Chance of precipitation is 70%.
Friday
A chance of showers before 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.
Friday Night
A chance of showers after 1am. Cloudy, with a low around 39. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 64. 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:
4:09 am EST Mar 2, 2026
Forecast Valid:
12pm EST Mar 2, 2026-6pm EDT Mar 8, 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