October weather forecast
Connecticut, USA

October brings further transition into the fall season in Connecticut, showcasing colorful foliage and increasingly cooler temperatures. The month is often associated with pleasant weather, characterized by a crispness in the air that embodies the essence of autumn in New England.

Average daytime temperatures continue to drop, often ranging from 50°F (10°C) to 60°F (15.6°C), with cooler nights. Northern areas may experience slightly lower temperatures, while coastal regions may remain milder.

Rainfall stays within the annual range of 44" (1118mm) to 48" (1219mm). While rain showers occur, they are typically less intense than the summer thunderstorms, contributing to a generally drier feel to the air.

October marks the peak of foliage season in Connecticut, particularly in the high country. Vibrant hues of red, orange, and yellow spread across the landscape, making it a sought-after time for visitors wanting to experience the iconic New England fall scenery.

The decrease in humidity, which began in September, continues into October, enhancing the comfortable feel of the weather. Clear, sunny days are often the norm, though cloud cover may increase as the month progresses.

October's weather in Connecticut offers a blend of mild temperatures and stunning visual displays of fall foliage. The state's diverse topography, from rolling hills and farms in the north to coastal marshes and beaches in the east, accentuates the seasonal changes. Moving from the transitional weather of September to the more definitively autumnal conditions of October, the state embraces the beauty and tranquillity of the season. The changes in temperature and scenery from September to October create an appealing backdrop for outdoor activities and sightseeing, making it one of the most cherished months in the Connecticut calendar.

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• Hartford - October »
  In Hartford snow does not fall in June through October. In Hartford snow does not fall in June through October.
• New Haven - October »
  October in New Haven is the heart of the beautiful autumn season and the notable drop in temperature from the previous month starts setting in with characteristic chilly mornings and evenings. In New Haven in October, it is raining for 14.3 days, with typically 3.54" (90mm) of accumulated precipitation.
• Stamford - October »
  In Stamford, in October, it is raining for 13.9 days, with typically 3.5" (89mm) of accumulated precipitation. The onset of October in Stamford coincides with a reduction in the average high-temperature, falling from a pleasant 73.2°F (22.9°C) in September to a comfortable 62.4°F (16.9°C).
• Bridgeport - October »
  In Bridgeport in October, the average water temperature is 62.6°F (17°C). In Bridgeport, during October, the rain falls for 14.7 days and regularly aggregates up to 3.54" (90mm) of precipitation.
• Waterbury - October »
  On the first day of October in Waterbury sunrise is at 6:49 am and sunset at 6:33 pm. In Waterbury, in October, it is raining for 14.4 days, with typically 3.43" (87mm) of accumulated precipitation.
• Norwalk - October »
  In Norwalk in October, during 14.3 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. In Norwalk, in October, the average water temperature is 62.6°F (17°C).
• Danbury - October »
  The months with the highest humidity in Danbury are February and October, with an average relative humidity of 79%. In Danbury, in October, during 10.3 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.
• New Britain - October »
  In New Britain, Connecticut, in October, it is raining for 14.8 days, with typically 3.23" (82mm) of accumulated precipitation. In New Britain snow does not fall in June through October.
• Bristol - October »
  October is the first month it typically snows in Bristol, Connecticut. The start of October in Bristol involves a temperature drop, moving from a warm 73.4°F (23°C) in September to a mild 60.3°F (15.7°C).
• Meriden - October »
  On the first day of October in Meriden sunrise is at 6:48 am and sunset at 6:32 pm. In Meriden snow does not fall in June through October.
• Milford - October »
  In Milford the average seawater temperature in October is 62.6°F (17°C). In Milford snow does not fall in May through October.
• West Haven - October »
  In West Haven in October, during 14.3 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. In West Haven, during October, the rain falls for 14.3 days and regularly aggregates up to 3.54" (90mm) of precipitation.