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.

24°F

-4°C

Humidity 62%
Wind Speed Calm
Barometer 29.78 in (1009.9 mb)
Dewpoint 13°F (-11°C)
Visibility NA
Last update 2 Jan 6:54 pm EST
Extended Forecast for

Lake Hopatcong NJ

  • Tonight

    Tonight: Mostly clear, with a low around 14. Calm wind becoming west around 5 mph.

    Low: 14 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 27. Calm wind becoming west around 5 mph.

    High: 27 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A chance of snow, mainly after 1am. Cloudy, with a low around 20. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Light west wind becoming northwest 5 to 10 mph in the morning.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13. Northwest wind around 5 mph.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 14. Calm wind becoming west around 5 mph.
Saturday
Increasing clouds, with a high near 27. Calm wind becoming west around 5 mph.
Saturday Night
A chance of snow, mainly after 1am. Cloudy, with a low around 20. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Sunday
Mostly sunny, with a high near 31. Light west wind becoming northwest 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 13. Northwest wind around 5 mph.
Monday
Partly sunny, with a high near 26.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly cloudy, with a high near 38.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 44.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Hopatcong NJ
 40.94°N 74.61°W (Elev. 928 ft)
Last Update:
4:12 pm EST Jan 2, 2026
Forecast Valid:
7pm EST Jan 2, 2026-6pm EST Jan 9, 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