| NWS Forecast for: Mountainside NJ Issued by: National Weather Service New York, NY Last Update: 8:37 am EDT Apr 18, 2026 |  |
| Today: Partly sunny, with a high near 65. Southeast wind 6 to 10 mph. Tonight: Showers likely, mainly after 5am. Patchy fog after 5am. Otherwise, cloudy, with a low around 49. Southeast wind 5 to 9 mph. Chance of precipitation is 60%. Sunday: Showers, mainly before 2pm. Patchy fog before 8am. Steady temperature around 51. Northwest wind 5 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible. Sunday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 39. Northwest wind 5 to 7 mph. Monday: Mostly sunny, with a high near 51. Northwest wind 8 to 11 mph, with gusts as high as 21 mph. Monday Night: Mostly clear, with a low around 32. Tuesday: Sunny, with a high near 54. Tuesday Night: Partly cloudy, with a low around 42. Wednesday: Partly sunny, with a high near 65. Wednesday Night: Mostly clear, with a low around 44. Thursday: Sunny, with a high near 69. Thursday Night: Partly cloudy, with a low around 49. Friday: Mostly sunny, with a high near 70. | |
| Mountainside NJ 40.69°N 74.37°W (Elev. 417 ft) | |
Visit your local NWS office at: https://www.weather.gov/okx/ |
