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.

72°F

22°C

Humidity 59%
Wind Speed S 7 mph
Barometer 29.73 in (1006.7 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 11 Mar 3:54 pm EDT
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Partly sunny, with a high near 73. South wind 10 to 15 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 39. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain before 11am, then a chance of rain and sleet between 11am and noon, then a chance of snow after noon. Temperature falling to around 36 by noon. Northwest wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.

    High: 46 °F⇓

    Rain/Sleet
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Gradual
    Clearing

  • Friday

    Friday: Partly sunny, with a high near 43. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 46.

    High: 46 °F

    Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 73. South wind 10 to 15 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 39. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Rain before 11am, then a chance of rain and sleet between 11am and noon, then a chance of snow after noon. Temperature falling to around 36 by noon. Northwest wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 43. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Cloudy, with a high near 46.
Sunday Night
Rain, mainly after 2am. Low around 37. Chance of precipitation is 90%.
Monday
Rain. High near 58. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Mostly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Lake Hopatcong NJ
 41°N 74.57°W (Elev. 1115 ft)
Last Update:
4:10 pm EDT Mar 11, 2026
Forecast Valid:
4pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation