Waterbury Weather Forecast

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Last Updated: January 8, 2026

Waterbury, Connecticut is a vibrant city located in New Haven County.


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Summary

Its climate is characterized by four distinct seasons. Summers are warm and humid, with average temperatures ranging from the mid-70s to low-80s Fahrenheit. Winters are cold and snowy, with temperatures averaging in the 20s and occasional sub-zero temperatures.

The city is traversed by the Naugatuck River, which plays a vital role in its hydrology. The river provides scenic beauty and recreational opportunities for residents and visitors alike. The river's water quality is monitored to ensure its integrity.

Outdoor enthusiasts can enjoy numerous recreational activities in Waterbury. The city boasts several well-maintained parks, such as Fulton Park and Hamilton Park, which offer opportunities for picnicking, walking, and sports. The Mattatuck State Forest lies adjacent to Waterbury, providing opportunities for hiking, camping, and wildlife observation.

For water-based activities, nearby West Rock Ridge State Park offers fishing and boating opportunities on Lake Wintergreen. Additionally, the Hop Brook Lake provides opportunities for fishing, canoeing, kayaking, and swimming.

In conclusion, Waterbury, Connecticut experiences a diverse climate, is influenced by the Naugatuck River, and offers various outdoor recreation opportunities, making it an appealing destination for nature lovers and adventurers.

       

Weather Forecast

Waterbury receives approximately 1325mm of rain per year, with humidity levels near 78% and air temperatures averaging around 10°C. Waterbury has a plant hardyness factor of 6, meaning plants and agriculture in this region thrive during a short period during spring and early summer. Most plants will die off during the colder winter months.