National Weather Service Forecast for: Trenton NJ
Issued by: National Weather Service Philadelphia, PA
Updated: 4:11 pm EDT Jul 6, 2025
 
Tonight

Tonight: Increasing clouds, with a low around 73. Southwest wind 5 to 10 mph becoming light south after midnight.
Increasing
Clouds

 Monday

Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 89. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Chance
Showers then
Showers
 Monday
Night
Monday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 2am. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Chance
Showers
 Tuesday

Tuesday: A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming west around 5 mph in the afternoon. 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
T-storms
Likely
 Tuesday
Night
Tuesday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely then
Chance
Showers
 Wednesday

Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Slight Chance
Showers then
Chance
T-storms
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Chance
T-storms then
Showers
Likely
 Thursday

Thursday: Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 85. Chance of precipitation is 70%.
Showers
Likely then
T-storms
Likely
 Thursday
Night
Thursday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Cloudy, with a low around 70. Chance of precipitation is 60%.
T-storms
Likely then
Showers
Likely
Lo 73 °F Hi 89 °F Lo 74 °F Hi 91 °F Lo 72 °F Hi 89 °F Lo 71 °F Hi 85 °F Lo 70 °F

Air Quality Alert
 

Tonight
 
 Increasing clouds, with a low around 73. Southwest wind 5 to 10 mph becoming light south after midnight.
Monday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 89. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
 
 Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 2am. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
 Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Thursday
 
 Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 85. Chance of precipitation is 70%.
Thursday Night
 
 Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Cloudy, with a low around 70. 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 83. Chance of precipitation is 60%.
Friday Night
 
 Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
 
 A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Sunday
 
 A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

 

Forecast from NOAA-NWS for Trenton NJ.