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Greenwich Common Weather Forecast
| THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  | | |  |  | | |  | | |
| Partly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Chance of Showers | Showers | Chance of Showers | Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 69°FHi: 21°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 50°FHi: 10°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C |
| POP: 90% | POP: 100% | POP: 90% |
POP = Probability of Precipitation.
Weather Outlook Updated: 220 PM EDT Tue Oct 13 2026 
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Issued: 223 PM EDT Tue Oct 13 2026
Key Messages
1) Unseasonably warm conditions Wednesday will be followed by a cold front Wednesday evening bringing lower humidity and more seasonable conditions to end the week.
2) A strong cold front will bring showers Thursday night into Friday, with a slight chance of a thunderstorm Friday afternoon. Impacts, if any, are expected to be minimal.
3) The coldest air mass of the season so far moves in this weekend.
Discussion
... .KEY MESSAGE 1...
A back door cold front nearby will lift north as a warm...