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.

54°F

12°C

Humidity 49%
Wind Speed Calm
Barometer 29.92 in (1013.1 mb)
Dewpoint 35°F (2°C)
Visibility NA
Last update 1 May 10:54 am EDT
Extended Forecast for

Lake Hopatcong NJ

  • Today

    Today: Sunny, with a high near 62. West wind around 5 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: A chance of showers, mainly between 8pm and 4am. Mostly cloudy, with a low around 43. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 7am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 58. Northwest wind around 5 mph. Chance of precipitation is 20%.

    High: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 38. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 56. Northwest wind around 10 mph, with gusts as high as 25 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 62. West wind around 5 mph.
Tonight
A chance of showers, mainly between 8pm and 4am. Mostly cloudy, with a low around 43. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of showers before 7am, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 58. Northwest wind around 5 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 38. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 56. Northwest wind around 10 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Wednesday
Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Hopatcong NJ
 40.96°N 74.61°W (Elev. 984 ft)
Last Update:
8:19 am EDT May 1, 2026
Forecast Valid:
11am EDT May 1, 2026-6pm EDT May 7, 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