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Borough of Closter, New JerseyCloster, NJ Weather Forecast
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Closter Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  | |  |  |  |  | | |  | | |
| Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Chance of Showers | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 60°FLo: 16°C | Hi: 70°FHi: 21°C | Lo: 60°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C |
| POP: 90% | POP: 90% | POP: 40% | POP: 30% | POP: 30% | POP: 30% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 312 PM EDT Fri Sep 18 2026 
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Issued: 728 PM EDT Fri Sep 18 2026
Key Messages
1) Increasing likelihood for showers Sunday morning into afternoon, with a period of heavy downpours and embedded thunderstorms possible Sunday afternoon into Sunday Night. Widespread minor urban and poor drainage flooding likely Sunday afternoon into night, with a localized flash flood threat.
2) Breezy and cool conditions likely mid to late next week, with periods of unsettled weather possible. Potential for minor to moderate coastal flood and shoreline impacts mid to late next week...