| NWS Forecast for: Princeton NJ Issued by: National Weather Service Philadelphia, PA Last Update: 4:12 pm EDT Jul 12, 2025 |  |
| Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 21. Calm wind. Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 30. East wind 5 to 10 km/h. Sunday Night: A slight 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 21. South wind 5 to 10 km/h. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, 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 31. Calm wind. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible. 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 21. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible. Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 33. Chance of precipitation is 20%. Tuesday Night: Partly cloudy, with a low around 22. Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 33. 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 23. Chance of precipitation is 30%. Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 33. Chance of precipitation is 50%. Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 24. Chance of precipitation is 40%. Friday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 33. Chance of precipitation is 60%. Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%. Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 31. Chance of precipitation is 40%. | |
| Princeton NJ 40.35°N 74.67°W (Elev. 190 m) | |
Visit your local NWS office at: https://www.weather.gov/phi/ |
