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

Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Newark, Newark International Airport (KEWR)

Lat: 40.68°NLon: 74.17°WElev: 16ft.

Light Rain

80°F

27°C

Humidity 69%
Wind Speed Vrbl 5 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 20 Aug 2:51 pm EDT
Extended Forecast for

South Plainfield NJ

Flood Watch August 20, 03:30pm until August 21, 02:00am
Severe T-storm Watch August 20, 03:30pm until August 20, 10:00pm
Click here for hazard details and duration
Flood Watch
Severe T-storm Watch
  •  
    Flood Watch August 20, 03:30pm until August 21, 02:00am
    Severe T-storm Watch August 20, 03:30pm until August 20, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 85 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 63. Northeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

    Low: 63 °F

    Heavy Rain
    then Chance
    Showers

  • Friday

    Friday: A slight chance of showers between 8am and 9am. Partly sunny, with a high near 79. Northeast wind around 5 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 77. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

This Afternoon
Showers and thunderstorms, mainly after 5pm. Some of the storms could produce heavy rainfall. High near 85. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Tonight
Showers and thunderstorms before 3am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 63. Northeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.
Friday
A slight chance of showers between 8am and 9am. Partly sunny, with a high near 79. Northeast wind around 5 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 65. Calm wind.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 77. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 62. Chance of precipitation is 30%.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 83.
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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:
1:00 pm EDT Aug 20, 2026
Forecast Valid:
3pm EDT Aug 20, 2026-6pm EDT Aug 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