Cos Cob, CT 7-Day Weather Forecast
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Cos Cob Weather Forecast


Cos Cob, CT Weather Forecast Date: 323 PM EDT Sat Sep 26 2026
Weather forecast for Cos Cob, CT
| Tonight Lo: 59°F Lo: 15°C |
Tonight... Periods of rain with isolated thunderstorms this evening, then rain with isolated thunderstorms after midnight. Rain May be heavy at times after midnight. Very windy with lows in the upper 50s. North winds 25 to 35 mph with gusts up to 50 mph. Chance of rain near 100%. |
| Sun Hi: 65°FHi: 18°C Lo: 60°F Lo: 16°C |
Sunday... Rain with isolated thunderstorms. Some thunderstorms May produce heavy rainfall in the afternoon. Windy with highs in the mid 60s. Northeast winds 20 to 30 mph with gusts up to 50 mph. Chance of rain 90%. |
| Mon Hi: 65°FHi: 18°C Lo: 59°F Lo: 15°C |
Monday... Showers. Highs in the mid 60s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100%. |
| Tue Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Tuesday... Partly sunny. Highs in the lower 70s. |
| Wed Hi: 75°FHi: 24°C Lo: 61°F Lo: 16°C |
Wednesday... Mostly sunny. Highs in the mid 70s. |
| Thu Hi: 75°FHi: 24°C Lo: 61°F Lo: 16°C |
Thursday... Mostly sunny. Highs in the mid 70s. |
| Fri Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Friday... Partly sunny. Highs in the mid 70s. |
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