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.

37°F

3°C

Humidity 96%
Wind Speed Calm
Barometer 30.21 in (1023.9 mb)
Dewpoint 36°F (2°C)
Visibility NA
Last update 5 Mar 7:54 am EST
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Today

    Today: Rain. Patchy fog. High near 39. Northeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 39 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain, mainly before 3am. Widespread fog, mainly after 3am. Low around 33. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 33 °F

    Rain and Fog

  • Friday

    Friday: A slight chance of showers before 1pm. Widespread fog, mainly before 7am. Otherwise, cloudy, with a high near 39. Northeast wind around 5 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Showers and
    Fog

  • Friday Night

    Friday Night: A chance of showers, mainly after 1am. Patchy fog after 1am. Otherwise, cloudy, with a low around 34. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, cloudy, with a high near 53. Calm wind becoming south around 5 mph in the morning.

    High: 53 °F

    Patchy Fog
    then Cloudy

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
Rain. Patchy fog. High near 39. Northeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 3am. Widespread fog, mainly after 3am. Low around 33. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A slight chance of showers before 1pm. Widespread fog, mainly before 7am. Otherwise, cloudy, with a high near 39. Northeast wind around 5 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly after 1am. Patchy fog after 1am. Otherwise, cloudy, with a low around 34. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Patchy fog before 10am. Otherwise, cloudy, with a high near 53. Calm wind becoming south around 5 mph in the morning.
Saturday Night
Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
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:
5:23 am EST Mar 5, 2026
Forecast Valid:
8am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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