


NWS Forecast for: Trenton, Mercer County Airport NJ Issued by: National Weather Service Philadelphia, PA Last Update: 4:12 pm EDT Jul 12, 2025 | |
Tonight: Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon. Sunday Night: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Calm wind becoming southwest around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tuesday: A slight chance of showers after 8am. Mostly sunny, with a high near 92. Chance of precipitation is 20%. Tuesday Night: Partly cloudy, with a low around 72. Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 30%. Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 30%. Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 50%. Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 40%. Friday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 91. Chance of precipitation is 60%. Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%. | |
Trenton, Mercer County Airport NJ 40.28°N 74.83°W (Elev. 200 ft) | |
Visit your local NWS office at: https://www.weather.gov/phi/ |