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.

49°F

9°C

Humidity 86%
Wind Speed Vrbl 6 mph
Barometer 30.25 in (1024.7 mb)
Dewpoint 45°F (7°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 3 Apr 11:54 am EDT
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • This Afternoon

    This Afternoon: Cloudy, then gradually becoming mostly sunny, with a high near 67. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A slight chance of showers before 2am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 54. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 71. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Patchy Fog
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 47. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly after 8am. High near 64. South wind around 10 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely before 8pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow showers between 8am and 2pm. Partly sunny, with a high near 47. Chance of precipitation is 30%.

    High: 47 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Cloudy, then gradually becoming mostly sunny, with a high near 67. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers before 2am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 54. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 71. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 47. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly after 8am. High near 64. South wind around 10 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely before 8pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
A chance of snow showers between 8am and 2pm. Partly sunny, with a high near 47. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 50.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Sunny, with a high near 60.
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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:
10:15 am EDT Apr 3, 2026
Forecast Valid:
12pm EDT Apr 3, 2026-6pm EDT Apr 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