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Whli-Am Hempstead, NY Weather Forecast
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Whli-Am Hempstead Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  |  |  |  |  | | | | | | |
| Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear |
| Hi: 81°FHi: 27°C | Lo: 71°FLo: 22°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 80°FHi: 27°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 |
| POP: 50% | POP: 70% | POP: 40% | POP: 40% | POP: 60% | POP: 60% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 PM EDT Wed Aug 19 2026 
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Whli-Am Hempstead Forecast Discussion
Issued: 1015 PM EDT Wed Aug 19 2026
Key Messages
1) Showers with embedded thunderstorms are expected on Thursday. A period of moderate to heavy rainfall with isolated to scattered instances of flash flooding is possible late Thursday afternoon into the early evening.
2) Unsettled weather this weekend.
Discussion
... .KEY MESSAGE 1... A cold front slowly approaches tonight through Thursday and will stall over or near the area through the weekend. The persistent upper level trough over the eastern US contin...