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

Newark, Newark International Airport (KEWR)

Lat: 40.68°NLon: 74.17°WElev: 16ft.

Mostly Cloudy

58°F

14°C

Humidity 35%
Wind Speed NW 12 G 23 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 21 Mar 5:51 pm EDT
Extended Forecast for

South Plainfield NJ

  • Tonight

    Tonight: Increasing clouds, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph.

    High: 70 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Low around 43. North wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers

  • Monday

    Monday: A chance of showers before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 52. North wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Low around 43. North wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 52. North wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 31. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
A chance of rain between 8am and 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 30%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Plainfield NJ
 40.58°N 74.39°W (Elev. 98 ft)
Last Update:
4:09 pm EDT Mar 21, 2026
Forecast Valid:
6pm EDT Mar 21, 2026-6pm EDT Mar 28, 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