National Weather Service Forecast for: Trenton NJ
Issued by: National Weather Service Philadelphia, PA
Updated: 4:28 pm EDT Jul 28, 2026
 
Tonight

Tonight: Showers and thunderstorms before 5am, then a chance of showers. Some of the storms could be severe and produce heavy rainfall.  Low around 65. South wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Severe
T-Storms
then Showers
Likely
Wednesday

Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 80. Northwest wind 5 to 10 mph.  Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Slight Chance
T-storms then
Chance
Showers
Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am.  Partly cloudy, with a low around 63. Northwest wind around 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

Thursday

Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 79. Northwest wind 5 to 10 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
Showers then
Chance
T-storms
Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 63. North wind around 5 mph becoming calm.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Partly Cloudy
Friday

Friday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Sunny then
Slight Chance
T-storms
Friday
Night
Friday Night: Partly cloudy, with a low around 65.
Partly Cloudy

Saturday

Saturday: Mostly sunny, with a high near 87.
Mostly Sunny

Saturday
Night
Saturday Night: Mostly cloudy, with a low around 66.
Mostly Cloudy

Lo 65 °F Hi 80 °F Lo 63 °F Hi 79 °F Lo 63 °F Hi 84 °F Lo 65 °F Hi 87 °F Lo 66 °F

Flood Watch
Severe Thunderstorm Watch
 

Tonight
 
Showers and thunderstorms before 5am, then a chance of showers. Some of the storms could be severe and produce heavy rainfall. Low around 65. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
 
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 80. Northwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
 
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Partly cloudy, with a low around 63. Northwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Northwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. North wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Friday Night
 
Partly cloudy, with a low around 65.
Saturday
 
Mostly sunny, with a high near 87.
Saturday Night
 
Mostly cloudy, with a low around 66.
Sunday
 
A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Sunday Night
 
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Monday
 
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Monday Night
 
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Tuesday
 
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Trenton NJ.