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.

47°F

8°C

Humidity 97%
Wind Speed NE 9 mph
Barometer 29.48 in (998.5 mb)
Dewpoint 46°F (8°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 12 Nov 12:54 pm EST
Extended Forecast for

Hopatcong NJ

  • This Afternoon

    This Afternoon: Rain and possibly a thunderstorm before 3pm, then rain and thunderstorms between 3pm and 4pm, then rain after 4pm. High near 55. East wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 55 °F

    T-storms

  • Tonight

    Tonight: Rain. Low around 34. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain

  • Friday

    Friday: Rain and snow, becoming all rain after 8am. High near 42. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    then Rain

  • Friday Night

    Friday Night: A chance of rain before 8pm, then a chance of snow between 8pm and 1am. Cloudy, with a low around 30. Northwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 44. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Partly Sunny

  • Saturday Night

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

    Low: 32 °F

    Partly 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 33.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain and possibly a thunderstorm before 3pm, then rain and thunderstorms between 3pm and 4pm, then rain after 4pm. High near 55. East wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Rain. Low around 34. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain and snow, becoming all rain after 8am. High near 42. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
A chance of rain before 8pm, then a chance of snow between 8pm and 1am. Cloudy, with a low around 30. Northwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
Partly sunny, with a high near 44. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 33.
Wednesday
Sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hopatcong NJ
 40.96°N 74.64°W (Elev. 971 ft)
Last Update:
1:18 pm EST Nov 12, 2026
Forecast Valid:
1pm EST Nov 12, 2026-6pm EST Nov 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation