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.

32°F

0°C

Humidity 79%
Wind Speed Calm
Barometer 29.64 in (1004.3 mb)
Dewpoint 26°F (-3°C)
Visibility NA
Last update 14 Jan 5:54 am EST
Extended Forecast for

Hopatcong NJ

  • Today

    Today: A chance of rain, mainly after noon. Cloudy, with a high near 46. Southwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain

  • Tonight

    Tonight: Rain and snow likely, mainly after 1am. Cloudy, with a low around 27. Light and variable wind becoming northwest 5 to 10 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow showers before 1pm. Mostly cloudy, with a temperature rising to near 32 by 10am, then falling to around 24 during the remainder of the day. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 32 °F⇓

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 16. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29. West wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 1pm. Partly sunny, with a high near 37. Chance of precipitation is 40%.

    High: 37 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain, mainly after noon. Cloudy, with a high near 46. Southwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain and snow likely, mainly after 1am. Cloudy, with a low around 27. Light and variable wind becoming northwest 5 to 10 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers before 1pm. Mostly cloudy, with a temperature rising to near 32 by 10am, then falling to around 24 during the remainder of the day. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy, with a low around 16. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 29. West wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
A chance of snow after 1pm. Partly sunny, with a high near 37. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 16.
M.L.King Day
Mostly sunny, with a high near 28.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hopatcong NJ
 40.96°N 74.64°W (Elev. 971 ft)
Last Update:
4:12 am EST Jan 14, 2026
Forecast Valid:
6am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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