Derby, CT Weather Forecast
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Derby Weather Forecast
| THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Chance of Showers | Partly Cloudy | Chance of Showers | Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Chance of Showers | Partly Cloudy |
| Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C |
| POP: 40% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 220 PM EDT Sun Sep 13 2026 

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Issued: 820 PM EDT Sun Sep 13 2026
Key Messages
1) A cold front passes through the area late tonight into Monday morning. An isolated shower is possible.
2) Dry and seasonable conditions then expected through midweek. Next chance of rain arrives late Thursday.
Discussion
... .KEY MESSAGE 1... A cold front will pass through the area late tonight into Monday morning. While most locations will remain dry, an isolated shower along or just behind the front is possible. Winds become northerly behind the front and may even begin to gust up ...
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