National Weather Service Forecast for: Perth Amboy NJ
Issued by: National Weather Service Philadelphia, PA
Updated: 4:28 pm EDT Jul 28, 2026
 
This
Afternoon
This Afternoon: Showers and thunderstorms likely. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a high near 83. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Severe
T-Storms
 Tonight

Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7pm. Some of the storms could be severe and produce heavy rainfall. Low around 67. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Severe
T-Storms
then Showers
 Wednesday

Wednesday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 78. East wind 5 to 10 mph becoming northwest in the morning. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Chance
Showers
 Wednesday
Night
Wednesday Night: A chance of showers, mainly between 10pm and 5am. Mostly cloudy, with a low around 65. Northwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers
 Thursday

Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. North wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
 Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Partly Cloudy
 Friday

Friday: Mostly sunny, with a high near 84.
Mostly Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 67.
Partly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 84.
Mostly Sunny
Hi 83 °F Lo 67 °F Hi 78 °F Lo 65 °F Hi 80 °F Lo 65 °F Hi 84 °F Lo 67 °F Hi 84 °F

Flood Watch
Severe Thunderstorm Watch
Flash Flood Warning
 

This Afternoon
 
 Showers and thunderstorms likely. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a high near 83. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7pm. Some of the storms could be severe and produce heavy rainfall. Low around 67. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
 
 A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 78. East wind 5 to 10 mph becoming northwest in the morning. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
 
 A chance of showers, mainly between 10pm and 5am. Mostly cloudy, with a low around 65. Northwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. North wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
 Mostly sunny, with a high near 84.
Friday Night
 
 Partly cloudy, with a low around 67.
Saturday
 
 Mostly sunny, with a high near 84.
Saturday Night
 
 Mostly cloudy, with a low around 69.
Sunday
 
 A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 30%.
Sunday Night
 
 A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Monday
 
 A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.
Monday Night
 
 Mostly cloudy, with a low around 70.
Tuesday
 
 Mostly sunny, with a high near 84.

 

Forecast from NOAA-NWS for Perth Amboy NJ.