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.

35°F

2°C

Humidity 96%
Wind Speed Calm
Barometer 30.25 in (1025.1 mb)
Dewpoint 34°F (1°C)
Visibility NA
Last update 7 Mar 5:54 am EST
Extended Forecast for

2 Miles NNE Lake Hopatcong NJ

  • Today

    Today: A slight chance of rain before 7am. Patchy dense fog before noon. Otherwise, mostly cloudy, with a high near 46. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain and
    Patchy Dense
    Fog then
    Mostly Cloudy

  • Tonight

    Tonight: Showers likely, mainly between 9pm and 2am. Cloudy, with a temperature rising to around 54 by 4am. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F⇑

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 62. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 62 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. West wind around 5 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers. Cloudy, with a high near 69. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of rain before 7am. Patchy dense fog before noon. Otherwise, mostly cloudy, with a high near 46. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 20%.
Tonight
Showers likely, mainly between 9pm and 2am. Cloudy, with a temperature rising to around 54 by 4am. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 62. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 39. West wind around 5 mph.
Monday
Sunny, with a high near 65. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
A chance of showers. Cloudy, with a high near 69. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Cloudy, with a low around 46. Chance of precipitation is 70%.
Thursday
A chance of showers. Cloudy, with a high near 55. Breezy. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Lake Hopatcong NJ
 40.98°N 74.6°W (Elev. 997 ft)
Last Update:
4:09 am EST Mar 7, 2026
Forecast Valid:
6am EST Mar 7, 2026-6pm EDT Mar 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