National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

29°F

-2°C

Humidity 78%
Wind Speed SW 5 mph
Barometer 30.12 in (1021.5 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 28 Dec 11:54 am EST
Extended Forecast for

Lake Hopatcong NJ

Winter Weather Advisory December 28, 06:00pm until December 29, 02:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A chance of rain, mainly after 5pm. Cloudy, with a high near 36. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 36 °F

    Chance Rain

  • Tonight

    Tonight: Rain or freezing rain before 2am, then a slight chance of rain after 5am. Temperature rising to around 39 by 5am. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible.

    Low: 32 °F⇑

    Rain/Freezing
    Rain then
    Slight Chance
    Rain

  • Monday

    Monday: Rain showers before 4pm, then a chance of rain and snow showers. High near 49. Southwest wind 10 to 15 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 49 °F

    Showers then
    Rain/Snow

  • Monday Night

    Monday Night: A chance of snow showers before 7pm. Partly cloudy, with a low around 23. West wind around 15 mph, with gusts as high as 40 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 23 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 28. West wind around 15 mph, with gusts as high as 40 mph.

    High: 28 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A chance of snow after 1pm. Partly sunny, with a high near 27. Chance of precipitation is 30%.

    High: 27 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
A chance of rain, mainly after 5pm. Cloudy, with a high near 36. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain or freezing rain before 2am, then a slight chance of rain after 5am. Temperature rising to around 39 by 5am. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible.
Monday
Rain showers before 4pm, then a chance of rain and snow showers. High near 49. Southwest wind 10 to 15 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday Night
A chance of snow showers before 7pm. Partly cloudy, with a low around 23. West wind around 15 mph, with gusts as high as 40 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Mostly cloudy, with a high near 28. West wind around 15 mph, with gusts as high as 40 mph.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
A chance of snow after 1pm. Partly sunny, with a high near 27. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 24.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Partly sunny, with a high near 31.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Hopatcong NJ
 40.94°N 74.61°W (Elev. 928 ft)
Last Update:
4:10 am EST Dec 28, 2025
Forecast Valid:
12pm EST Dec 28, 2025-6pm EST Jan 3, 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