News Wilmington Delaware United States June 18, 2025

Wilmington, Delaware Weather Update: June 18-20, 2025

As we welcome mid-June in Wilmington, Delaware, residents can expect a dynamic weather pattern over the next few days. Let's dive into the details for June 18th through June 20th, and explore what this means for outdoor plans and daily activities.

Wednesday, June 18, 2025

Starting Wednesday, June 18, temperatures will peak at a comfortable 80°F (26°C) and drop to a mild 68°F (20°C) in the evening. Winds will be light, averaging around 6 miles per hour from the southeast. It’s worth noting that early risers will see the sun rising at 5:34 AM and a beautiful sunset at 8:33 PM, offering over 11 hours of sunlight.

Expect foggy conditions in the early hours, with visibility dropping to 1 mile due to high humidity levels of 98%. As the day progresses, there will be a shift towards cloudy skies, albeit with peak sunny breaks. There's no expected precipitation, making it a breezy day to enjoy some outdoor activities. Those venturing outside should be cautious of potential fog in the morning.

Thursday, June 19, 2025

Thursday marks an exciting turnaround with significant temperature increases, soaring to a high of 96°F (36°C). After a warm night, the morning will start with 73°F (23°C). Humidity remains prevalent, sustaining that sultry feeling that often accompanies warmer temperatures. Wind speeds may increase slightly throughout the day to about 10-12 mph from the southwest, providing a modicum of relief from the heat.

The day’s clear skies will lead to abundant sunshine, particularly in the afternoon, where we can expect high UV levels – a UV index of 9. Be sure to protect your skin if you're spending extended time outdoors. As the evening approaches, there are predictions for thunderstorms, so keep an eye on the sky if nocturnal plans are in the cards.

Friday, June 20, 2025

As we reach Friday, temperatures will settle back to a more temperate 84°F (29°C) under partly cloudy conditions. The significant temperature drop will come with high visibility conditions, in stark contrast to earlier in the week. Morning temperatures will begin at 69°F (20°C) with a pleasant breeze averaging around 11 mph.

This day will feature a mix of sunshine and cloud cover, making it perfect for those planning outdoor activities. With an average UV index of 7, precautions against sun exposure are still advised as the sun remains strong.

Summary and Weather Insights

To sum it up, Wilmington residents should prepare for a mix of weather this week with a particularly hot Thursday, followed by cooling off on Friday. Whether you’re navigating the early fog on Wednesday, soaking in the heat on Thursday, or enjoying the sun on Friday, stay informed about your local weather conditions.

For hourly updates and an extended forecast, check out more detailed weather information for Wilmington, Delaware and hourly conditions.

Stay safe and enjoy the varying weather of Wilmington this week!