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.

36°F

2°C

Humidity 57%
Wind Speed NA
Barometer 29.86 in (1011.5 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Last update 12 Mar 5:54 pm EDT
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 24. Northwest wind 10 to 15 mph.

    Low: 24 °F

    Gradual
    Clearing

  • Friday

    Friday: Increasing clouds, with a high near 42. South wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 42 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of rain before 2am. Partly cloudy, with a low around 33. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Sunny, with a high near 45. West wind around 15 mph, with gusts as high as 30 mph.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Northwest wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 38. Chance of precipitation is 90%.

    Low: 38 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain. High near 61. Chance of precipitation is 100%.

    High: 61 °F

    Rain

  • Monday Night

    Monday Night: Rain likely before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

    Low: 29 °F

    Rain Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 24. Northwest wind 10 to 15 mph.
Friday
Increasing clouds, with a high near 42. South wind 5 to 15 mph, with gusts as high as 30 mph.
Friday Night
A slight chance of rain before 2am. Partly cloudy, with a low around 33. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 45. West wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 28. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 45.
Sunday Night
Rain, mainly after 2am. Low around 38. Chance of precipitation is 90%.
Monday
Rain. High near 61. Chance of precipitation is 100%.
Monday Night
Rain likely before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Tuesday
A chance of rain and snow before 8am. Mostly sunny, with a high near 37. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Sunny, with a high near 35.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 40.
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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:
4:11 pm EDT Mar 12, 2026
Forecast Valid:
6pm EDT Mar 12, 2026-6pm EDT Mar 19, 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