Cornwall Academy, MA Weather Forecast
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Cornwall Academy Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Clear | Mostly Clear | Partly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C |
| POP: 80% | POP: 30% | POP: 30% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 830 PM EDT Tue Sep 08 2026 

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Issued: 235 AM EDT Wed Sep 9 2026
Key Messages
1) Showers and some thunderstorms with downpours will become likely this afternoon into tonight. While a few stronger storms with gusty winds may occur, the threat for severe weather and/or flash flooding is generally low.
2) Temperatures expected to warm above normal Sunday through early next week, along with increasing humidity and a chance of showers and thunderstorms.
Discussion
... KEY MESSAGE 1...
Latest trends in guidance indicating showers developing a bit earlier than previously...
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