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Brierley Park, NY Weather Forecast
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Brierley Park Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | |  |  | | | |  |  | | |
| Chance of Showers | Chance of T-Storm | Chance of Showers | Showers Likely | Showers | Showers Likely | Chance of Showers | Chance of Showers | Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C |
| POP: 40% | POP: 90% | POP: 30% | POP: 70% | POP: 70% | POP: 70% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1208 PM EDT Thu Aug 20 2026 
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Brierley Park Forecast Discussion
Issued: 1042 AM EDT Thu Aug 20 2026
Key Messages
1) Showers and potential thunderstorms move through the area this afternoon through the evening. A period of heavy rainfall is possible, particularly for northeast NJ, NYC, southern Westchester and Western Long Island, where a Flood Watch is now in effect. For the Watch area, peak hourly rainfall rates could reach around 2 inches with total rainfall amounts expected to be between 1.5 and 2.5 inches with locally higher amounts possible.
2) Unsettled weathe...