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Township of Green Brook, NJGreen Brook, NJ Weather Forecast
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Green Brook Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  | | | |  | | |  |  |  |
| Partly Sunny | Chance of Rain | Rain | Rain | Rain | Rain | Chance of Showers | Chance of Showers | Partly Sunny | Partly Cloudy | Mostly Sunny | Mostly Cloudy |
| Hi: 70°FHi: 21°C | 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: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C |
| POP: 50% | POP: 90% | POP: 90% | POP: 100% | POP: 100% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 222 PM EDT Fri Sep 25 2026 
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Issued: 300 PM EDT Fri Sep 25 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 ...