Wilmington, Del. – A surge of heat and humidity is expected to peak in Wilmington by Monday, July 21st, with storms returning Monday night. Temperatures will reach 86°F under sunny skies before clouds build and isolated thunderstorms threaten travel and outdoor plans after 11 p.m.
According to the National Weather Service, showers and thunderstorms are likely between 11 p.m. and 2 a.m., with patchy clouds lingering into early Tuesday. Winds will shift north overnight, gusting mildly around 5 mph. Rainfall totals should remain under a tenth of an inch, though higher amounts are possible in heavier storms.
The Monday heat will be followed by a brief dip Tuesday morning, with a low near 64°F, before dry and sunny weather dominates much of the week. Tuesday and Wednesday will stay near the mid-80s, but temperatures rebound sharply into the upper 80s by Thursday. The NWS projects a high near 89°F to close the workweek on Friday.
Residents should prepare for brief evening storms Monday, charge devices, and avoid flooded roadways. Commuters along I-95 near Wilmington should monitor alerts and check for updates, especially during late-night travel.
🌤️ Five-Day Forecast for Wilmington, DE
- Monday, July 21: Sunny, high near 86°F. Showers and storms possible after 11 p.m., low 71°F.
- Tuesday: Sunny, high near 84°F. Mostly clear overnight, low around 64°F.
- Wednesday: Sunny, high near 86°F. Partly cloudy at night, low 68°F.
- Thursday: Mostly sunny, high around 89°F. Clear overnight, low 73°F.
- Friday: Mostly sunny, high near 94°F. Slight chance of showers late.
⚠️ Looking Ahead: Storm chances return Friday night into Saturday. Another round of heat builds next weekend — stay weather-aware.
