Last updated today at 20:03. Know what's coming with AccuWeather's extended daily forecasts for West Cornwall, CT. Up to 90 days of daily highs, lows, and precipitation chances. Monday Night. 68 F West Cornwall Station | Report. Long-term weather report. Submitted by Dee on October 17, 2020 - 8:23am. Be prepared with the most accurate 10-day forecast for West Cornwall, CT, United States with highs, lows, chance of precipitation from The Weather Channel and Check out the Cornwall, CT WinterCast. Snow Likely then Rain/Snow Likely. Rain. Plan you week with the help of our 10-day weather forecasts and weekend weather predictions for Cornwall Bridge, Connecticut . Weather warnings issued. Thank you for reporting this station. Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast. Cornwall - Weather warnings issued 14-day forecast. Country: Connecticut, USA, City: Cornwall. West Cornwall, CT 10-Day Weather Forecast star_ratehome. Partly Cloudy. Extended Forecast for Cornwall CTSimilar City Names. Forecast - Cornwall. Today. We will review the data in question. Partly Cloudy. Get the forecast for today, tonight & tomorrow's weather for West Cornwall, CT. Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend! 2020-2021 Long Range Weather Forecast for West Cornwall, CT . High: 34 °F. Extended Forecast for West Cornwall CT Winter Weather Advisory December 5, 07:00am until December 6, 07:00am. Tonight. Get the latest 7 Day weather for Cornwall, CT, US including weather news, video, warnings and interactive maps from the weather experts. Day by day forecast. Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast. Cornwall, Connecticut, USA - Detailed 10-day weather forecast. Overnight. High: 53 °F. Low: 37 °F. Low: 31 °F. Northeast. Forecasting the snowfall amount probability, snow accumulation, and a snowfall forecast map. See long range ... Day in July and August 90-100. In the Rock River Valley. Monday. Click here for hazard details and duration. Partly Sunny. Winter Weather Advisory. Report Station. Tonight, Light rain and a moderate breeze. Share: Get the Long Range Weather for Your Location.