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William School Weather Forecast
| THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  |  | | | | |  |  | |
| Chance of T-Storm | Partly Cloudy | Clearing | Clear | Sunny | Partly Cloudy | Sunny | Partly Cloudy | Mostly Sunny | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C |
| POP: 100% | POP: 30% | POP: 30% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 123 PM EDT Sun Sep 13 2026 
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Issued: 120 PM EDT Sun Sep 13 2026
Key Messages
1) Widespread showers continue, tapering from west to east through mid afternoon. The rain may be heavy at times with the potential for isolated to scattered flash floods. A Flood Watch remains in effect for portions of the area into early afternoon.
2) Brief minor coastal flooding possible for vulnerable areas along the coast for southern Fairfield during times of high tide this afternoon.
3) Dry with near seasonable temperatures expected Monday through Wednesday, followed by a low pr...