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.

60°F

16°C

Humidity 90%
Wind Speed Calm
Barometer 29.90 in (1011.8 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 16 Apr 5:54 am EDT
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Today

    Today: Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 63. West wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 2pm. Mostly sunny, with a high near 75. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Partly cloudy, with a low around 54. North wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69. Southeast wind around 5 mph.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.

    High: 55 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 85. Southwest wind 5 to 15 mph.
Tonight
A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 63. West wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 2pm. Mostly sunny, with a high near 75. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 54. North wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 69. Southeast wind around 5 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 31. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 64.
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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:
4:10 am EDT Apr 16, 2026
Forecast Valid:
6am EDT Apr 16, 2026-6pm EDT Apr 22, 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