| NWS Forecast for: Monmouth Junction NJ Issued by: National Weather Service Philadelphia, PA Last Update: 6:06 am EDT Jul 8, 2025 | |
Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 94. Heat index values as high as 103. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am. Some of the storms could produce heavy rainfall. Cloudy, then gradually becoming partly cloudy, with a low around 71. 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 between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Calm wind becoming west around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. Thursday: A 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. Mostly cloudy, with a high near 86. Calm wind becoming south around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. Thursday Night: Showers and thunderstorms likely before 5am, then a slight chance of showers. Cloudy, with a low around 70. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Friday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 40%. Friday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%. Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%. Saturday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%. Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 30%. Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%. Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%. | |
| Monmouth Junction NJ 40.38°N 74.55°W (Elev. 98 ft) | |
Visit your local NWS office at: https://www.weather.gov/phi/ |