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.

33°F

1°C

Humidity 92%
Wind Speed Calm
Barometer 30.23 in (1024.7 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Last update 4 Mar 5:54 am EST
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Today

    Today: Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind around 5 mph becoming calm in the morning.

    High: 49 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A chance of rain, mainly after 5am. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 35. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Showers. Areas of fog before 1pm. High near 41. Calm wind becoming east around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 41 °F

    Showers and
    Areas Fog

  • Thursday Night

    Thursday Night: Showers. Low around 35. East wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Showers

  • Friday

    Friday: A slight chance of showers before 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 41. Northeast wind around 5 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of showers after 1am. Cloudy, with a low around 37. Chance of precipitation is 20%.

    Low: 37 °F

    Cloudy then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 30%.

    High: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely before 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind around 5 mph becoming calm in the morning.
Tonight
A chance of rain, mainly after 5am. Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 35. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers. Areas of fog before 1pm. High near 41. Calm wind becoming east around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers. Low around 35. East wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A slight chance of showers before 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 41. Northeast wind around 5 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers after 1am. Cloudy, with a low around 37. Chance of precipitation is 20%.
Saturday
A chance of showers after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 30%.
Saturday Night
Showers likely before 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Sunny, with a high near 62.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 67.
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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:
4:10 am EST Mar 4, 2026
Forecast Valid:
6am EST Mar 4, 2026-6pm EDT Mar 10, 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