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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. 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 49%
Wind Speed Calm
Barometer 30.00 in (1018.2 mb)
Dewpoint -1°F (-18°C)
Visibility NA
Last update 28 Jan 5:54 pm EST
Extended Forecast for

Greendell NJ

Cold Weather Advisory January 28, 06:39pm until January 29, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 28, 06:39pm until January 29, 10:00am

    NOW until 10:00am Thu

    Cold Weather Advisory

  • Tonight

    Low: -4 °F

    Scattered
    Flurries

  • Thursday

    Thursday: Sunny, with a high near 20. Wind chill values as low as -7. Calm wind becoming west around 5 mph in the morning.

    High: 20 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -2. Wind chill values as low as -9. Northwest wind around 5 mph.

    Low: -2 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 16. Wind chill values as low as -12. Northwest wind around 5 mph.

    High: 16 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -4. Northwest wind around 5 mph becoming calm.

    Low: -4 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow. Partly sunny, with a high near 22. Chance of precipitation is 30%.

    High: 22 °F

    Chance Snow

Detailed Forecast

Tonight
Scattered flurries before 10pm. Partly cloudy, with a low around -4. Southwest wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 20. Wind chill values as low as -7. Calm wind becoming west around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around -2. Wind chill values as low as -9. Northwest wind around 5 mph.
Friday
Sunny, with a high near 16. Wind chill values as low as -12. Northwest wind around 5 mph.
Friday Night
Mostly clear, with a low around -4. Northwest wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 20.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
A chance of snow. Partly sunny, with a high near 22. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 9.
Wednesday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greendell NJ
 40.98°N 74.81°W (Elev. 643 ft)
Last Update:
4:11 pm EST Jan 28, 2026
Forecast Valid:
6pm EST Jan 28, 2026-6pm EST Feb 4, 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