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.

30°F

-1°C

Humidity 79%
Wind Speed NE 6 mph
Barometer 30.14 in (1021.9 mb)
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 16 Feb 9:54 am EST
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 37. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 37 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of rain and snow showers before 3am, then a slight chance of snow showers between 3am and 5am, then a slight chance of rain and snow showers after 5am. Mostly cloudy, with a low around 28. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 45. Southwest wind around 5 mph.

    High: 45 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 32. West wind around 5 mph becoming calm.

    Low: 32 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain. High near 40. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Rain and snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.

    High: 36 °F

    Rain/Snow
    Likely

Detailed Forecast

Washington's Birthday
Partly sunny, with a high near 37. Northeast wind around 5 mph becoming calm in the afternoon.
Tonight
A slight chance of rain and snow showers before 3am, then a slight chance of snow showers between 3am and 5am, then a slight chance of rain and snow showers after 5am. Mostly cloudy, with a low around 28. South wind around 5 mph. Chance of precipitation is 20%.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 45. Southwest wind around 5 mph.
Tuesday Night
Increasing clouds, with a low around 32. West wind around 5 mph becoming calm.
Wednesday
Rain. High near 40. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly cloudy, with a high near 39.
Thursday Night
A chance of snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Friday
Rain and snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A chance of snow. Partly sunny, with a high near 35. Chance of precipitation is 40%.
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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:
4:14 am EST Feb 16, 2026
Forecast Valid:
10am EST Feb 16, 2026-6pm EST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation