WILMINGTON, DE – A calm, clear dawn greets northern Delaware this Tuesday, but a pattern shift is quietly building to the west. After one more mild, sunny day, clouds will thicken and showers will roll in after dark—ushering in a cooler, breezier stretch that feels distinctly more like late October.
According to the National Weather Service in Mount Holly, New Jersey, Tuesday’s warmth will peak near 71°F before a weak cold front pushes across the Delaware Valley late in the evening. Rain will spread along I-95 and Route 13 between 9 p.m. and 3 a.m., with a few brief downpours possible. Commuters and overnight travelers should expect wet pavement and reduced visibility through early Wednesday. Winds will stay light but may gust near 20 mph as the front passes.
By Wednesday afternoon, skies clear and temperatures dip into the mid-60s—nearly 10 degrees cooler than the start of the week. The air will feel fresher and less humid, setting up a string of crisp, sunny days heading into the weekend. Early Thursday morning lows fall into the low 40s, and some rural areas west of Wilmington may flirt with the upper 30s, hinting at an approaching First Fall Freeze if clear conditions persist.
Residents should take advantage of the midweek break to tackle outdoor projects or fall yardwork before nights grow colder. Looking toward the weekend, highs stay near 61°F with sunshine and light winds—perfect for seasonal chores, football tailgates, and early Halloween decorating. Models show a stronger cold push early next week that could deliver the first true chill of the season.
Five-Day Forecast for Wilmington, DE:
Tue: 71/51 – Sunny; clouds increase, rain develops late.
Wed: 64/45 – Clearing skies; breezy and cooler afternoon.
Thu: 61/42 – Sunny and crisp; early fall chill.
Fri: 61/42 – Bright and cool; pleasant day.
Sat: 61/46 – Mostly sunny; mild afternoons, cool evenings.