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.

32°F

0°C

Humidity 85%
Wind Speed Calm
Barometer 30.08 in (1019.4 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Last update 19 Mar 7:54 am EDT
Extended Forecast for

Lake Hopatcong NJ

  • Today

    Today: Mostly sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy drizzle and fog after 2am. Mostly cloudy, with a low around 40. Southeast wind around 5 mph.

    Low: 40 °F

    Mostly Cloudy
    then Patchy
    Drizzle and
    Patchy Fog

  • Thursday

    Thursday: Patchy drizzle and fog before noon, then a chance of rain after 2pm. Partly sunny, with a high near 61. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain, mainly after 8pm. Low around 34. Breezy, with a southeast wind 5 to 10 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 34 °F

    Rain and
    Breezy

  • Friday

    Friday: A chance of showers before 8am. Mostly sunny, with a high near 46. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Breezy.
    Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Patchy drizzle and fog after 2am. Mostly cloudy, with a low around 40. Southeast wind around 5 mph.
Thursday
Patchy drizzle and fog before noon, then a chance of rain after 2pm. Partly sunny, with a high near 61. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, mainly after 8pm. Low around 34. Breezy, with a southeast wind 5 to 10 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A chance of showers before 8am. Mostly sunny, with a high near 46. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly clear, with a low around 32.
Saturday
Partly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Sunny, with a high near 46.
Sunday Night
A chance of rain and snow after 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Monday
Rain and snow likely. Mostly cloudy, with a high near 51. Chance of precipitation is 70%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 50.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Lake Hopatcong NJ
 40.96°N 74.61°W (Elev. 984 ft)
Last Update:
7:10 am EDT Mar 19, 2025
Forecast Valid:
9am EDT Mar 19, 2025-6pm EDT Mar 25, 2025
 
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