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 93%
Wind Speed Calm
Barometer 30.27 in (1025.9 mb)
Dewpoint 33°F (1°C)
Visibility NA
Last update 4 Mar 7:54 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. Calm wind.

    High: 49 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A chance of rain, mainly after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 34. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Showers. Patchy fog before 1pm. High near 42. 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: 42 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers. Patchy fog after 1am. Low around 35. East wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Showers and
    Patchy Fog

  • 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 61. Chance of precipitation is 30%.

    High: 61 °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. Calm wind.
Tonight
A chance of rain, mainly after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 34. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers. Patchy fog before 1pm. High near 42. 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. Patchy fog after 1am. Low around 35. East wind around 5 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 61. 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 63.
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 74.57°W (Elev. 1115 ft)
Last Update:
4:10 am EST Mar 4, 2026
Forecast Valid:
8am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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