National Weather Service Forecast for: Trenton NJ
Issued by: National Weather Service Philadelphia, PA
Updated: 4:11 pm EDT Jul 25, 2025
 
Tonight

Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 72. North wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Severe
T-Storms
then Partly
Cloudy
 Saturday

Saturday: Partly sunny, with a high near 87. Northeast wind around 5 mph becoming east in the afternoon.
Partly Sunny

 Saturday
Night
Saturday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Showers
Likely
 Sunday

Sunday: Showers and possibly a thunderstorm. High near 84. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Sunday
Night
Sunday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 71. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers then
Slight Chance
Showers
 Monday

Monday: Mostly sunny, with a high near 92.
Mostly Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 73.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 96.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 75.
Mostly Clear
Lo 72 °F Hi 87 °F Lo 71 °F Hi 84 °F Lo 71 °F Hi 92 °F Lo 73 °F Hi 96 °F Lo 75 °F

Air Quality Alert
 

Tonight
 
 A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 72. North wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
 
 Partly sunny, with a high near 87. Northeast wind around 5 mph becoming east in the afternoon.
Saturday Night
 
 A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 Showers and possibly a thunderstorm. High near 84. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
 
 Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 71. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
 
 Mostly sunny, with a high near 92.
Monday Night
 
 Mostly clear, with a low around 73.
Tuesday
 
 Sunny, with a high near 96.
Tuesday Night
 
 Mostly clear, with a low around 75.
Wednesday
 
 Sunny, with a high near 95.
Wednesday Night
 
 A chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 40%.
Thursday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Friday
 
 Mostly sunny, with a high near 82.

 

Forecast from NOAA-NWS for Trenton NJ.