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Middlesex County, NJ Weather Forecast
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Middlesex County Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
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| Chance of Rain | Chance of T-Storm | Rain | Rain | Rain | Chance of Showers | Chance of Showers | Partly Sunny | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Mostly Sunny |
| Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 60°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C |
| POP: 70% | POP: 90% | POP: 90% | POP: 100% | POP: 100% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 541 PM EDT Fri Sep 25 2026 
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Issued: 206 AM EDT Sat Sep 26 2026
Key Messages
1. A developing Nor`easter east of the Mid-Atlantic coast lifts to the north, then retrogrades back towards New Jersey over the weekend before finally departing on Tuesday. This will bring periods of rain and strong winds at the coast to the region.
2. Multiple rounds of significant tidal flooding expected into this weekend. Major Coastal Flood levels expected for New Jersey Atlantic Coast, Delaware Atlantic Coast, and portions of southern Delaware Bay. Coastal Flood Warning expanded ...