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Fairfield County, CT Weather Forecast
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Fairfield County Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  |  |  | | | |  | | |
| Sunny | Showers Likely | Showers | Chance of T-Storm | Chance of Showers | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 50°FHi: 10°C | Lo: 31°FLo: -1°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C |
| POP: 70% | POP: 100% | POP: 90% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 237 PM EDT Thu Oct 15 2026 
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Issued: 1119 PM EDT Thu Oct 15 2026
Key Messages
1) A strong frontal system brings showers late tonight into Friday morning and a second round of showers/isolated thunderstorms primarily during Friday evening. Strong to severe thunderstorms are possible with a squall line that is forecast to move through.
2) The coolest air mass of the season so far moves in this weekend along with Gusty NW winds Friday night into Saturday.
Discussion
... .KEY MESSAGE 1...
Showers and thunderstorm move through late tonight into early Friday morning in ...