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.

33°F

1°C

Humidity 64%
Wind Speed SW 13 G 22 mph
Barometer 29.60 in (1002.6 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 17 Mar 4:54 am EDT
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Today

    Today: Mostly sunny, with a high near 35. Breezy, with a west wind around 20 mph, with gusts as high as 40 mph.

    High: 35 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 20. Northwest wind 10 to 15 mph.

    Low: 20 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. West wind around 5 mph becoming calm in the morning.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. South wind around 5 mph.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45. South wind around 5 mph.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain after 8pm. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 2pm. Partly sunny, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 35. Breezy, with a west wind around 20 mph, with gusts as high as 40 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 20. Northwest wind 10 to 15 mph.
Wednesday
Mostly sunny, with a high near 35. West wind around 5 mph becoming calm in the morning.
Wednesday Night
Partly cloudy, with a low around 23. South wind around 5 mph.
Thursday
Partly sunny, with a high near 45. South wind around 5 mph.
Thursday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 50.
Friday Night
A chance of rain after 8pm. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Saturday
A chance of rain before 2pm. Partly sunny, with a high near 49. Chance of precipitation is 30%.
Saturday Night
A chance of rain after 8pm. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Lake Hopatcong NJ
 41°N 74.54°W (Elev. 1237 ft)
Last Update:
4:11 am EDT Mar 17, 2026
Forecast Valid:
5am EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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