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.

39°F

4°C

Humidity 86%
Wind Speed N 6 mph
Barometer 29.66 in (1005.1 mb)
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 13 Nov 2:54 pm EST
Extended Forecast for

Hopatcong NJ

  • This Afternoon

    This Afternoon: A chance of rain. Cloudy, with a high near 36. North wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 36 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain, possibly mixing with snow after 7pm, then gradually ending. Mostly cloudy, with a low around 30. North wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 43. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 43 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Northwest wind around 5 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of rain. Cloudy, with a high near 36. North wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain, possibly mixing with snow after 7pm, then gradually ending. Mostly cloudy, with a low around 30. North wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
Partly sunny, with a high near 43. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 54.
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.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 61.
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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:
12:49 pm EST Nov 13, 2026
Forecast Valid:
3pm EST Nov 13, 2026-6pm EST Nov 20, 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