| NWS Forecast for: Monmouth Junction NJ Issued by: National Weather Service Philadelphia, PA Last Update: 4:10 pm EDT Jul 18, 2025 |  |
| Overnight: Partly cloudy, with a low around 66. Calm wind. Saturday: A slight chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Sunday Night: Partly cloudy, with a low around 64. Northwest wind around 5 mph. Monday: Sunny, with a high near 83. Monday Night: Mostly clear, with a low around 61. Tuesday: Sunny, with a high near 84. Tuesday Night: Mostly clear, with a low around 64. Wednesday: Mostly sunny, with a high near 87. Wednesday Night: Partly cloudy, with a low around 68. Thursday: Mostly sunny, with a high near 91. Thursday Night: A chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 30%. Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 30%. | |
| Monmouth Junction NJ 40.38°N 74.55°W (Elev. 98 ft) | |
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