October in Wilmington, Delaware is a time when trees in the Brandywine Valley are beginning to turn color, and light coats are being donned on a regular basis. Some warm days still prevail, and the brisk days of fall in Wilmington are some of the most pleasant of the year.
The average high temperature for Wilmington in October is 66.2 degrees Fahrenheit. While days are becoming chillier, Wilmington in the fall is a favorite time of year for to explore the beautiful Brandywine Valley or Delaware Riverfront. Visitors or residents can also explore historic New Castle's cobblestone streets, or take in one of the many outdoor festivals--including Oktoberfest.
The average temperature for Wilmington in October is a comfortable 56 degrees Fahrenheit, according to the National Weather Service. October in Wilmington is a great time to view the foliage as it turns brilliant orange and red in a visit to Longwood Gardens, in the Brandywine Valley. Longwood Gardens is a former duPont estate cherished for its world-renowned gardens.
The average minimum temperature in October in Wilmington is 45.7 degrees Fahrenheit. Days are not likely to be this chilly, as minimum temperatures most frequently reach this point overnight. The average snowfall for October is negligible, at 0.1 inches.
