[3] Many records from colonial times spell the name "Weathersfield" and "Wythersfield", while Native Americans called it Pyquag.

[2] The neighborhood known as Old Wethersfield is the state's largest historic district, spanning 2 sq mi (5.2 km2) and containing 1,100 buildings, dating to the 17th, 18th and 19th centuries.

Founded in 1634 by a Puritan settlement party of "10 Men", including John Oldham, Robert Seeley, Thomas Topping, and Nathaniel Foote, Wethersfield is arguably the oldest town in Connecticut,[5][6] depending on the interpretation of when a remote settlement qualifies as a "town".

Along with Windsor and Hartford, Wethersfield is represented by one of the three grapevines on the Flag of Connecticut, signifying the state's three oldest English settlements.

[13][14] From 1716 to 1718, the Collegiate School was briefly located in Wethersfield; it moved to New Haven and developed over the decades as Yale University.

In May 1781, at the Webb House on Main Street, General George Washington and French Lt. Gen. Rochambeau planned the Siege of Yorktown, which culminated in the surrender of Britain and independence of the colonies.

[18] "Outsiders dubbed the Connecticut village 'Oniontown,' with a crosshatch of affection and derision, for this was home of the world-famous Wethersfield red onion.

This is the largest historic district in Connecticut, with two square miles containing 1,100 buildings, many dating back to the 18th and 19th centuries.

[19] The historic First Church of Christ, Wethersfield, is the home of the Albert Schweitzer Organ Festival [Wikidata].

[43] The event is put on by the Hartford Marathon Foundation and typically takes place at the end of August.

The CREC Discovery Academy is a Pre-Kindergarten through fifth grade magnet school designed with a focus on STEM education.

[49] Greater Hartford's major system of public transportation is currently Connecticut Transit (CT Transit), a Connecticut Department of Transportation-owned bus service operating routes throughout the New Haven, Stamford, Hartford and other metro areas.

In addition to normal police service, the department maintains a Marine Patrol Unit, a Special Response Dive Team, a Special Response Tactics Team, a DARE youth drug awareness program, and a Police Explorer program.

[55] The Wethersfield Post Office is a fully trained United States Passport acceptance facility.

The short film Disneyland Dream features the Barstow family from Wethersfield, including footage of their neighborhood.

The novel Parrot and Olivier in America by two-time Booker Prize-winning Australian author Peter Carey was largely set in the town of Wethersfield.

The novel touches on some hallmarks of its history including the predominance of onion farming and the old state prison.