Center Groton, CT Weather Forecast
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Center Groton Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Mostly Cloudy | Partly Cloudy | Mostly Sunny | Chance of T-Storm | Sunny | Mostly Clear | Partly Sunny | Chance of Showers | Mostly Cloudy | Mostly Clear | Sunny | Clear |
| Hi: 71°FHi: 22°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C |
| POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 246 PM EDT Thu Oct 01 2026 

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Issued: 350 PM EDT Thu Oct 1 2026
Key Messages
1) Cold front approaches Friday, crosses through Friday night. Above normal temperatures in store for Friday. Chance of showers afternoon into evening with possible isolated rumble of thunder.
2) Potential wave of low pressure and associated shower chances late this weekend.
3) Temperatures overall turning cooler for the weekend into next week.
Discussion
... .KEY MESSAGE 1... Mid level height falls as mid level shortwave moves southeast into the region for Friday. Mid level flow remains...
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