National Weather Service Forecast for: Plainfield NJ
Issued by: National Weather Service New York, NY
Updated: 2:34 pm EDT Jul 28, 2026
 
Tonight

Tonight: Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 68. Southeast wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Severe
T-Storms
then Showers
 Wednesday

Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Northwest wind 5 to 8 mph.
Chance
T-storms
 Wednesday
Night
Wednesday Night: A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 66. West wind 5 to 7 mph.
Chance
Showers
 Thursday

Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. North wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
 Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. North wind 3 to 6 mph. Chance of precipitation is 60%.
Showers
Likely then
Partly Cloudy
 Friday

Friday: Mostly sunny, with a high near 83.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 65.
Mostly Clear

 Saturday

Saturday: Mostly sunny, with a high near 85.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 67.
Mostly Cloudy
Lo 68 °F Hi 80 °F Lo 66 °F Hi 79 °F Lo 64 °F Hi 83 °F Lo 65 °F Hi 85 °F Lo 67 °F

Hazardous Weather Outlook
Flood Watch
Severe Thunderstorm Watch
 

Tonight
 
 Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 68. Southeast wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Northwest wind 5 to 8 mph.
Wednesday Night
 
 A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 66. West wind 5 to 7 mph.
Thursday
 
 A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. North wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. North wind 3 to 6 mph. Chance of precipitation is 60%.
Friday
 
 Mostly sunny, with a high near 83.
Friday Night
 
 Mostly clear, with a low around 65.
Saturday
 
 Mostly sunny, with a high near 85.
Saturday Night
 
 Mostly cloudy, with a low around 67.
Sunday
 
 A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 82.
Sunday Night
 
 A 40 percent chance of showers. Mostly cloudy, with a low around 68.
Monday
 
 A 40 percent chance of showers. Mostly cloudy, with a high near 83.
Monday Night
 
 Mostly cloudy, with a low around 67.
Tuesday
 
 A 30 percent chance of showers. Mostly sunny, with a high near 85.

 

Forecast from NOAA-NWS for Plainfield NJ.