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.

47°F

8°C

Humidity 37%
Wind Speed SW 9 mph
Barometer 30.29 in (1026.6 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 24 Mar 4:54 pm EDT
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Tonight

    Tonight: Increasing clouds, with a low around 30. Southwest wind around 5 mph.

    Low: 30 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 38. South wind around 5 mph.

    Low: 38 °F

    Cloudy

  • Thursday

    Thursday: A slight chance of rain after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 64. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 2am. Low around 44. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, mainly before 8am. High near 50. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 30. Southwest wind around 5 mph.
Wednesday
Partly sunny, with a high near 50. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Cloudy, with a low around 38. South wind around 5 mph.
Thursday
A slight chance of rain after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 64. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
Rain, mainly after 2am. Low around 44. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 8am. High near 50. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly clear, with a low around 23.
Saturday
Sunny, with a high near 40.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Lake Hopatcong NJ
 41°N 74.54°W (Elev. 1237 ft)
Last Update:
4:09 pm EDT Mar 24, 2026
Forecast Valid:
5pm EDT Mar 24, 2026-6pm EDT Mar 31, 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