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.

44°F

7°C

Humidity 55%
Wind Speed Vrbl 5 mph
Barometer 30.17 in (1022.5 mb)
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 20 Apr 10:54 am EDT
Extended Forecast for

Greendell NJ

Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: Mostly sunny, with a high near 47. Northwest wind 5 to 10 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. North wind around 5 mph becoming calm.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. Calm wind becoming southwest around 5 mph.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 38. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 8am. Partly sunny, with a high near 62. Calm wind becoming south around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 47. Northwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 26. North wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 53. Calm wind becoming southwest around 5 mph.
Tuesday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 38. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, mainly before 8am. Partly sunny, with a high near 62. Calm wind becoming south around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 67.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greendell NJ
 40.96°N 74.81°W (Elev. 597 ft)
Last Update:
4:10 am EDT Apr 20, 2026
Forecast Valid:
11am EDT Apr 20, 2026-6pm EDT Apr 26, 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