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

Dangerous Cold Will Continue This Weekend.

Very cold air and strong winds will lead to dangerously cold wind chills through Sunday night. Please see the current briefing for full details. Read More >

Hazardous Weather Conditions

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

15°F

-9°C

Humidity 38%
Wind Speed N 14 G 25 mph
Barometer 30.17 in (1023.7 mb)
Dewpoint -6°F (-21°C)
Visibility NA
Wind Chill0°F (-18°C)
Last update 8 Feb 2:54 pm EST
Extended Forecast for

Greendell NJ

Cold Weather Advisory February 8, 03:23pm until February 9, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory February 8, 03:23pm until February 9, 10:00am

    NOW until 10:00am Mon

    Cold Weather Advisory

  • Tonight

    Low: 2 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 28. Wind chill values as low as -9. North wind around 5 mph becoming calm in the afternoon.

    High: 28 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of snow after 1pm. Mostly cloudy, with a high near 33. Calm wind becoming south around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 33 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Wednesday Night

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

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 2. Wind chill values as low as -12. North wind around 10 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 28. Wind chill values as low as -9. North wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 9. Calm wind.
Tuesday
A chance of snow after 1pm. Mostly cloudy, with a high near 33. Calm wind becoming south around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
Mostly cloudy, with a low around 23. Calm wind.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 32.
Thursday Night
Mostly clear, with a low around 13.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greendell NJ
 40.98°N 74.81°W (Elev. 643 ft)
Last Update:
2:35 pm EST Feb 8, 2026
Forecast Valid:
3pm EST Feb 8, 2026-6pm EST Feb 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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