Cornwall, CT 7-Day Weather Forecast
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Cornwall Weather Forecast


Cornwall, CT Weather Forecast Date: 230 AM EDT Thu Sep 03 2026
Weather forecast for Cornwall, CT
| Tonight Lo: 60°F Lo: 16°C |
Tonight... Showers. Near steady temperature in the lower 60s. South winds around 5 mph. Chance of rain 90%. |
| Thu Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Thursday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. Humid with highs in the upper 70s. Southwest winds around 5 mph. Chance of rain 40%. |
| Fri Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Friday... Mostly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Northwest winds around 5 mph. Chance of rain 40%. |
| Sat Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Saturday... Sunny. Highs in the lower 70s. |
| Sun Hi: 70°FHi: 21°C Lo: 51°F Lo: 11°C |
Sunday... Partly cloudy. Lows in the lower 50s. Highs around 70. |
| Mon Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Monday... Mostly clear. Lows in the lower 50s. Highs in the mid 70s. |
| Mon Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Monday... Mostly clear. Lows in the lower 50s. Highs in the mid 70s. |
| Tue Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Tuesday... Partly cloudy. Highs in the mid 70s. Lows in the mid 50s. |
| Wed Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Wednesday... Partly cloudy. Highs in the mid 70s. Lows in the mid 50s. |
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