| NWS Forecast for: Trenton, Mercer County Airport NJ Issued by: National Weather Service Philadelphia, PA Last Update: 4:09 am EDT Aug 12, 2026 |  |
| Overnight: A slight chance of showers. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%. Wednesday: Sunny, with a high near 87. Calm wind becoming north around 5 mph. Wednesday Night: A chance of showers and thunderstorms, mainly between 2am and 5am, then a slight chance of thunderstorms after 5am. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Thursday: Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon. Thursday Night: Partly cloudy, with a low around 68. Calm wind. Friday: Partly sunny, with a high near 86. Friday Night: Partly cloudy, with a low around 62. Saturday: Sunny, with a high near 84. Saturday Night: Partly cloudy, with a low around 62. Sunday: A chance of showers after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 40%. Sunday Night: Showers likely. Mostly cloudy, with a low around 67. Chance of precipitation is 70%. Monday: A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%. Monday Night: Mostly clear, with a low around 64. Tuesday: Sunny, with a high near 85. | |
| Trenton, Mercer County Airport NJ 40.28°N 74.83°W (Elev. 200 ft) | |
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