| NWS Forecast for: Mountainside NJ Issued by: National Weather Service New York, NY Last Update: 2:29 pm EDT Jul 14, 2025 | |
This Afternoon: Showers and thunderstorms. Some of the storms could produce heavy rainfall. Steady temperature around 84. Southwest wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Tonight: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Patchy fog after midnight. Low around 72. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible. Tuesday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. Tuesday Night: A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 30%. Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%. Thursday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%. Friday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Saturday: Mostly sunny, with a high near 87. Saturday Night: A 30 percent chance of showers. Partly cloudy, with a low around 71. Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Monday: A chance of showers. Mostly sunny, with a high near 86. | |
| Mountainside NJ 40.66°N 74.35°W (Elev. 141 ft) | |
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