Weather WorldAsh Brook Swamp Reservation, NJ Weather Forecast
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Ash Brook Swamp Reservation Weather Forecast
| THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  | | | | |  | | |  |
| Chance of T-Storm | Chance of Showers | Sunny | Mostly Clear | Chance of T-Storm | Chance of Showers | Mostly Sunny | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm |
| Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C |
| POP: 20% | POP: 20% | POP: 50% | POP: 50% | POP: 30% | POP: 50% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 235 PM EDT Tue Aug 18 2026 
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Ash Brook Swamp Reservation Forecast Discussion
Issued: 1046 PM EDT Tue Aug 18 2026
Key Messages
1) Potential for periods of rain Thursday through the weekend. Impacts appear to be limited at this time.
Discussion
... .KEY MESSAGE 1... A cold front approaches Wednesday and pushes through Wednesday night. It will then stall over or near the area through the weekend. Shortwave energy pivoting through the base of a longwave trough will likely generate multiple waves of low pressure that will move along the stalled front. Exact location of this front will...