WILMINGTON, Del. – Cooler September air will sweep into Delaware this Labor Day weekend, keeping days pleasant but nights noticeably chilly. Drivers along I-95 and beachgoers planning end-of-summer trips should prepare for a sharp evening cooldown and the possibility of showers later in the week.
According to the National Weather Service, Wilmington will see highs near 80 through Wednesday, but overnight lows dip into the upper 50s. The refreshing air mass settles across much of the Mid-Atlantic, hinting at an early taste of fall. Forecasters warn that storms may return by Thursday, bringing slick roads and slower travel along Route 1 and I-95.
Labor Day itself stays mostly sunny with calm winds, perfect for outdoor events across New Castle County. Families planning barbecues or beach outings in Rehoboth or Dewey can expect daytime highs near 80 with lower humidity. By Tuesday and Wednesday, dry and comfortable conditions hold, but the pattern shifts by Thursday as scattered showers approach.
National outlook maps show cooler-than-normal temperatures expanding across the Ohio Valley and Mid-Atlantic through next weekend, keeping Wilmington and surrounding cities under a refreshing early September pattern. This means no dangerous heat waves, but drivers and evening commuters should carry light jackets for post-sunset chills.
Residents are urged to enjoy the comfortable stretch through midweek, but keep an umbrella ready by Thursday. Any rain could linger into Friday, creating slippery morning commutes. More advisories are possible if storms grow stronger late in the week.
Five-Day Forecast for Wilmington, Delaware
- Sunday: Mostly sunny, high 79, low 57.
- Labor Day (Monday): Mostly sunny, high 80, low 57.
- Tuesday: Mostly sunny, high 80, low 58.
- Wednesday: Mostly sunny, high 80, low 60.
- Thursday: Chance of showers, high 82, low 61.
