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 »
  October ushers in a slight temperature change in Stamford with average high-temperatures reducing from September's agreeable 73.2°F (22.9°C) to a refreshing 62.4°F (16.9°C). In Stamford, Connecticut, snow does not fall in May through October.
• Bridgeport - October »
  Onset of October in Bridgeport, Connecticut, comes with a temperature decline, the average high falling from a pleasant 73°F (22.8°C) in September to a comfortable 61.9°F (16.6°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 6:48 am and sunset at 6:34 pm. On the last day of October, in Waterbury sunrise is at 7:22 am and sunset at 5:48 pm EDT.
• Norwalk - October »
  In October, the average ocean temperature in Norwalk is 62.6°F (17°C). In Norwalk snow does not fall in May through October.
• Danbury - October »
  In Danbury, in October, it is raining for 10.3 days, with typically 1.02" (26mm) of accumulated precipitation. In Danbury, in October, it is raining for 10.3 days, with typically 1.02" (26mm) of accumulated precipitation.
• New Britain - October »
  On the first day of October in New Britain sunrise is at 6:47 am and sunset at 6:33 pm. In New Britain in October, it is raining for 14.8 days, with typically 3.23" (82mm) of accumulated precipitation.
• Bristol - October »
  In Bristol, during October, the rain falls for 14.5 days and regularly aggregates up to 3.43" (87mm) of precipitation. In Bristol, Connecticut, in October, it is raining for 14.5 days, with typically 3.43" (87mm) of accumulated precipitation.
• Meriden - October »
  In Meriden, Connecticut, during October, the rain falls for 14.3 days and regularly aggregates up to 3.35" (85mm) of precipitation. With the onset of October, Meriden experiences a modest temperature adjustment, with the average high-temperature receding from a warm 73.6°F (23.1°C) in September to a comfortable 61.7°F (16.5°C).
• Milford - October »
  In Milford in October, the average water temperature is 62.6°F (17°C). As Milford, Connecticut, enters October, the average high-temperature decreases from the a pleasant 72.7°F (22.6°C) of September to an enjoyable 62.1°F (16.7°C).
• West Haven - October »
  In West Haven, in October, during 14.3 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. In West Haven, in October, during 14.3 rainfall days, 3.54" (90mm) of precipitation is typically accumulated.