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.

69°F

21°C

Humidity 30%
Wind Speed SW 14 G 23 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 36°F (2°C)
Visibility NA
Last update 9 Mar 3:54 pm EDT
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Tonight

    Tonight: Clear, with a low around 45. Southwest wind around 5 mph.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. Southwest wind around 5 mph.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 49. Southwest wind around 5 mph.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 71. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers likely, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 43. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of rain before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 53. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow before 8pm. Partly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow between 8pm and 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.

    Low: 33 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Clear, with a low around 45. Southwest wind around 5 mph.
Tuesday
Sunny, with a high near 70. Southwest wind around 5 mph.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 49. Southwest wind around 5 mph.
Wednesday
A chance of showers, mainly after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 71. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 43. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of rain before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 53. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of snow before 8pm. Partly cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 43.
Friday Night
A chance of rain and snow between 8pm and 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Cloudy, with a high near 53. Chance of precipitation is 30%.
Sunday Night
Rain likely. Cloudy, with a low around 38. Chance of precipitation is 70%.
Monday
Rain likely. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Lake Hopatcong NJ
 41°N 74.54°W (Elev. 1237 ft)
Last Update:
3:42 pm EDT Mar 9, 2026
Forecast Valid:
4pm EDT Mar 9, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation