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.

40°F

4°C

Humidity 60%
Wind Speed Calm
Barometer 29.82 in (1010.8 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Last update 6 Jan 2:54 pm EST
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • This Afternoon

    This Afternoon: A chance of light rain, mainly after 5pm. Cloudy, with a high near 38. Southeast wind around 5 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Light
    Rain

  • Tonight

    Tonight: Light rain, mainly before 2am. Widespread fog, mainly before 5am. Low around 31. East wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Light Rain
    and Fog

  • Wednesday

    Wednesday: A slight chance of rain or light rain before 7am, then a slight chance of rain between 7am and 10am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 42. Northwest wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Northwest wind around 5 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Calm wind becoming west around 5 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely. Cloudy, with a high near 50. Chance of precipitation is 70%.

    High: 50 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely. Mostly cloudy, with a high near 48. Chance of precipitation is 70%.

    High: 48 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of light rain, mainly after 5pm. Cloudy, with a high near 38. Southeast wind around 5 mph. Chance of precipitation is 30%.
Tonight
Light rain, mainly before 2am. Widespread fog, mainly before 5am. Low around 31. East wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of rain or light rain before 7am, then a slight chance of rain between 7am and 10am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 42. Northwest wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 29. Northwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 43. Calm wind becoming west around 5 mph.
Thursday Night
A chance of showers after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Friday
Showers likely. Cloudy, with a high near 50. Chance of precipitation is 70%.
Friday Night
Showers likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 48. Chance of precipitation is 70%.
Saturday Night
A chance of showers before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 39.
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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:
4:11 am EST Jan 6, 2026
Forecast Valid:
3pm EST Jan 6, 2026-6pm EST Jan 13, 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