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.

29°F

-2°C

Humidity 75%
Wind Speed SW 6 mph
Barometer 29.57 in (1002.3 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 1 Jan 12:54 am EST
Extended Forecast for

4 Miles NE Lake Hopatcong NJ

  • Overnight

    Overnight: Snow showers, mainly after 3am. The snow could be heavy at times. Low around 18. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

    Low: 18 °F

    Heavy Snow

  • New Year's Day

    New Year's Day: Snow showers likely, mainly before 8am. The snow could be heavy at times. Cloudy through mid morning, then gradual clearing, with a high near 23. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 23 °F

    Heavy Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12. West wind 5 to 10 mph.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 25. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 25 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15. West wind around 5 mph.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow showers, mainly after 3am. The snow could be heavy at times. Low around 18. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
New Year's Day
Snow showers likely, mainly before 8am. The snow could be heavy at times. Cloudy through mid morning, then gradual clearing, with a high near 23. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 12. West wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 25. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 15. West wind around 5 mph.
Saturday
Partly sunny, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 27.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Lake Hopatcong NJ
 41°N 74.54°W (Elev. 1237 ft)
Last Update:
7:15 pm EST Dec 31, 2025
Forecast Valid:
1am EST Jan 1, 2026-6pm EST Jan 7, 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