Wilmington, DE – Residents across Wilmington will wake Friday morning to clear skies and rising summer temperatures, setting the stage for a sunny, hot weekend. By the afternoon, highs are expected to reach the low 80s, with the heat building even more as the weekend arrives and the 90-degree mark comes into view.
According to the National Weather Service, Thursday stays mostly sunny and pleasant, but by Friday, northeast winds give way to a strong push of warmth. Highs will reach 83°F on Friday, with overnight lows only dipping to the low 60s. By Saturday and Sunday, daytime temperatures climb further, reaching 86°F and then 89°F, with humidity rising and little relief expected at night.
Anyone planning outdoor events or travel along I-95 or Route 202 should prepare for increasing heat and sunny, dry conditions. Stay hydrated, avoid strenuous activities during peak hours, and check on neighbors or pets. Air conditioning will be essential as the heat lingers, with minimal cooling overnight through early next week.
The trend of sunny, hot days continues into Monday and Tuesday, where highs could push toward 92°F. Isolated showers are possible by midweek, but the primary story remains the extended stretch of above-average temperatures. More advisories may be issued if heat indices climb further or if air quality concerns develop.
Five Day Forecast for Wilmington, DE:
- Friday: Sunny, high 83°F, low 62°F
- Saturday: Sunny, high 86°F, low 64°F
- Sunday: Sunny, high 89°F, low 68°F
- Monday: Mostly sunny, high 90°F, low 70°F
- Tuesday: Sunny, high 92°F, low 74°F




