Loudoun County Weather Outlook for Wednesday, June 18, 2025

6/18/2025

⛈️ Stormy and Humid Today

After a foggy start, things are warming up fast! Expect a warm and humid day with highs climbing into the mid to upper 80s. Scattered showers and thunderstorms are likely, especially through the middle part of the day. A few storms could be strong, but they’ll be more isolated.

🌩️ HOT with Strong Storms Possible Thursday

Thursday brings another round of showers and thunderstorms with a higher chance for strong to severe storms.

🌤️ Brief Break Friday

We catch a break on Friday with mostly sunny skies and highs in the low to mid 80s. A beautiful day before the heat cranks up again!

🔥 Turning Up the Heat This Weekend

Saturday starts the sizzle with highs in the low 90s and increasing humidity. By Sunday, we’re into the low to mid 90s, and the heat intensifies even further into next week.

🥵 Dangerous Heat Next Week

Monday through Wednesday look brutally hot with highs in the mid to upper 90s. With high humidity, it will feel downright oppressive. Be sure to stay cool and hydrated! The hot temperatures will continue through the week

The forecast:

Today: Hi 86 ⛈️70% Lo 71 🌙 – Afternoon thunderstorms

Juneteenth: Hi 91 ⛈️80% Lo 64 🌧️80% – Showers and storms in the afternoon. Some could be severe, with heavy rain.

Friday: Hi 84 ☀️ Lo 64 ☁️ – Sunny

Saturday: Hi 89 ☀️ Lo 69 🌙 – Sunny and hot

Sunday: Hi 93 🌤️ Lo 73 🌙 -🥵 Mostly sunny and hot

Monday: Hi 96 ☀️ Lo 75 🌙 – 🥵 Sunny and very hot

Tuesday: Hi 97 ☀️ Lo 75 🌙 – 🌡️🥵 Sunny and extremely hot