National Weather Service Forecast for: Perth Amboy NJ
Issued by: National Weather Service Philadelphia, PA
Updated: 4:07 am EDT Jun 22, 2026
 
Today

Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Some of the storms could be severe and produce heavy rainfall. Cloudy, with a high near 74. East wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Chance
Showers then
Severe
T-Storms
 Tonight

Tonight: Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could be severe and produce heavy rainfall. Low around 67. South wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Severe
T-Storms
then Heavy
Rain
 Tuesday

Tuesday: Showers before 2pm, then a slight chance of showers after 3pm. High near 78. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers

 Tuesday
Night
Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 64. Northwest wind around 10 mph.
Decreasing
Clouds

 Wednesday

Wednesday: Sunny, with a high near 83. Northwest wind 5 to 10 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 64.
Mostly Clear

 Thursday

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

 Thursday
Night
Thursday Night: A chance of thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Showers
Likely

 Friday

Friday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Showers
Likely
Hi 74 °F Lo 67 °F Hi 78 °F Lo 64 °F Hi 83 °F Lo 64 °F Hi 83 °F Lo 67 °F Hi 86 °F

Flood Watch
 

Today
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Some of the storms could be severe and produce heavy rainfall. Cloudy, with a high near 74. East wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
 
 Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could be severe and produce heavy rainfall. Low around 67. South wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
 
 Showers before 2pm, then a slight chance of showers after 3pm. High near 78. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
 
 Mostly cloudy, then gradually becoming clear, with a low around 64. Northwest wind around 10 mph.
Wednesday
 
 Sunny, with a high near 83. Northwest wind 5 to 10 mph.
Wednesday Night
 
 Mostly clear, with a low around 64.
Thursday
 
 Mostly sunny, with a high near 83.
Thursday Night
 
 A chance of thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
 
 A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Friday Night
 
 Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
 
 Mostly sunny, with a high near 84.
Saturday Night
 
 Partly cloudy, with a low around 68.
Sunday
 
 Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Perth Amboy NJ.