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Williston-Northampton School Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  | |  | | |  | | | | |
| Chance of Showers | Chance of Showers | Chance of Showers | Showers | Showers | Showers | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers |
| Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C |
| POP: 20% | POP: 20% | POP: 40% | POP: 60% | POP: 70% | POP: 60% | POP: 30% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 703 AM EDT Fri Aug 21 2026 
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Williston-Northampton School Forecast Discussion
Issued: 349 AM EDT Fri Aug 21 2026
Key Messages
- Cooler than normal temperatures today with steady rain most likely towards eastern MA.
- Wet and unusually cool for the weekend.
- Drier and warmer to start next week.
Discussion
... KEY MESSAGE 1...Cooler than normal temperatures today with steady rain most likely towards eastern MA.
Weak low pressure currently centered south of Long Island is expected to slowly shift northeastward today. As it does, eastern MA, particularly in SE MA, Cape Cod, and the Islands, will likely see a continuati...