Weatogue is a village and census-designated place in Simsbury, Hartford County, Connecticut. The population was 2,776 at the 2010 census.

Weatogue is in the southern part of the town of Simsbury and is bordered to the northwest by West Simsbury and to the northeast by Simsbury Center. The northern border of the CDP follows Town Forest Road, Stratton Brook Road, a little portion of U.S. Route 202, and Second Brook to its mouth in the Farmington River. The eastern border of the CDP follows the river south (upstream) to Minister Brook. The southern connect follows Minister Brook, US 202, and Old Meadow Plain Road, and the western be adjacent to follows Pine Glen Road, Park Road, Orchard Lane, and Overlook Terrace to Connecticut Route 167, from which lessening the connect strikes northwest to Town Forest Road at Nimrod Road. The native settlement of Weatogue is in the eastern part of the CDP, at the junction of US 202 (Hopmeadow Street) with Canal Street and Stratton Brook Road.

According to the United States Census Bureau, the CDP has a total area of 3.02 square miles (7.81 km), of which 3.00 square miles (7.76 km²) is land and 0.019 square miles (0.05 km), or 0.66%, is water.

As of the census of 2000, there were 2,805 people, 1,007 households, and 815 families residing in the CDP. The population density was 935.0 inhabitants per square mile (361.0/km²). There were 1,031 housing units at an average density of 343.6 per square mile (132.7/km). The racial makeup of the CDP was 95.65% White, 0.75% African American, 0.04% Native American, 2.35% Asian, 0.04% Pacific Islander, 0.25% from further races, and 0.93% from two or more races. Hispanic or Latino of any race were 1.71% of the population.