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.

67°F

19°C

Humidity 51%
Wind Speed S 7 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 11 Mar 9:54 am EDT
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Today

    Today: A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. 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 3am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 45. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain showers and sleet likely before 11am, then a chance of snow showers between 11am and 2pm. Mostly cloudy, with a temperature falling to around 39 by 4pm. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow and sleet accumulation expected.

    High: 50 °F⇓

    Wintry Mix
    Likely then
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 28. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 44. South wind 5 to 15 mph.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 33. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

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

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 47.

    High: 47 °F

    Cloudy

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 73. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 45. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain showers and sleet likely before 11am, then a chance of snow showers between 11am and 2pm. Mostly cloudy, with a temperature falling to around 39 by 4pm. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow and sleet accumulation expected.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 28. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 44. South wind 5 to 15 mph.
Friday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 33. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Cloudy, with a high near 47.
Sunday Night
Rain, mainly after 2am. Low around 40. Chance of precipitation is 90%.
Monday
Rain. High near 57. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Partly cloudy, with a low around 24. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 33.
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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:
4:09 am EDT Mar 11, 2026
Forecast Valid:
10am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation