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.

53°F

12°C

Humidity 72%
Wind Speed N 10 G 28 mph
Barometer 29.81 in (1009.8 mb)
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill50°F (10°C)
Last update 5 Apr 5:54 pm EDT
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Monday

    Monday: Increasing clouds, with a high near 50. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 50 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 33. West wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. North wind 5 to 15 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Increasing clouds, with a high near 50. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 33. West wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 44. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 23. North wind 5 to 15 mph.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Mostly clear, with a low around 29.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 65.
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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 pm EDT Apr 5, 2026
Forecast Valid:
6pm EDT Apr 5, 2026-6pm EDT Apr 12, 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