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.

37°F

3°C

Humidity 93%
Wind Speed NE 9 mph
Barometer 29.52 in (1000.1 mb)
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 13 Nov 3:54 am EST
Extended Forecast for

Hopatcong NJ

  • Overnight

    Overnight: Rain likely. Cloudy, with a low around 34. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely

  • Friday

    Friday: Rain, possibly mixed with snow, mainly before 4pm. High near 39. North wind 10 to 15 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 10pm. Cloudy, with a low around 31. Northwest wind around 10 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow
    then Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 43. Northwest wind 10 to 15 mph.

    High: 43 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. Northwest wind around 10 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain likely. Cloudy, with a low around 34. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, possibly mixed with snow, mainly before 4pm. High near 39. North wind 10 to 15 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 10pm. Cloudy, with a low around 31. Northwest wind around 10 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
Mostly cloudy, with a high near 43. Northwest wind 10 to 15 mph.
Saturday Night
Mostly cloudy, with a low around 32. Northwest wind around 10 mph.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 33.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hopatcong NJ
 40.95°N 74.67°W (Elev. 1096 ft)
Last Update:
4:07 am EST Nov 13, 2026
Forecast Valid:
4am EST Nov 13, 2026-6pm EST Nov 19, 2026
 
Forecast Discussion
 
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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