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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

49°F

9°C

Humidity 97%
Wind Speed S 3 mph
Barometer 29.77 in (1008.3 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 20 Mar 10:54 pm EDT
Extended Forecast for

Greendell NJ

  • Tonight

    Tonight: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 40. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 54. North wind 5 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Mostly cloudy, with a high near 64. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 39. Calm wind becoming north around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 2pm. Partly sunny, with a high near 43. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 40. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 54. North wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 37. Calm wind.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 64. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 39. Calm wind becoming north around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers before 2pm. Partly sunny, with a high near 43. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Friday
Rain likely. Partly sunny, with a high near 49. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Greendell NJ
 40.98°N 74.81°W (Elev. 643 ft)
Last Update:
4:09 pm EDT Mar 20, 2026
Forecast Valid:
11pm EDT Mar 20, 2026-6pm EDT Mar 27, 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