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.

40°F

4°C

Humidity 86%
Wind Speed Calm
Barometer 29.96 in (1014.6 mb)
Dewpoint 36°F (2°C)
Visibility NA
Last update 11 Nov 2:54 am EST
Extended Forecast for

Hopatcong NJ

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 37. West wind around 5 mph.

    Low: 37 °F

    Patchy Fog

  • Veterans Day

    Veterans Day: Patchy fog before 8am. Otherwise, increasing clouds, with a high near 60. Calm wind becoming west around 5 mph.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 2am. Mostly cloudy, with a low around 43. Calm wind becoming east around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain. High near 54. East wind around 5 mph becoming north in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 54 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 35. North wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain

  • Friday

    Friday: Rain likely, possibly mixed with snow before 10am, then rain likely between 10am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 43. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: A chance of snow before 7pm, then a chance of snow after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 37. West wind around 5 mph.
Veterans Day
Patchy fog before 8am. Otherwise, increasing clouds, with a high near 60. Calm wind becoming west around 5 mph.
Wednesday Night
A chance of rain after 2am. Mostly cloudy, with a low around 43. Calm wind becoming east around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 54. East wind around 5 mph becoming north in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Rain. Low around 35. North wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, possibly mixed with snow before 10am, then rain likely between 10am and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 43. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of snow before 7pm, then a chance of snow after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Sunny, with a high near 50.
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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:
1:23 am EST Nov 11, 2026
Forecast Valid:
3am EST Nov 11, 2026-6pm EST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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