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Weather forecasts and information for all of Loudoun County, Virginia. Including Leesburg, Aldie, Waterford, Ashburn, Sterling, Dulles, Hamilton, Purcellville, South Riding. Loudoun Weather is your source for Loudoun County weather forecasts, weather radar and more.

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Loudoun County Weather Outlook for Wednesday, August 19, 2026

Posted on August 19, 2026August 19, 2026 By admin No Comments on Loudoun County Weather Outlook for Wednesday, August 19, 2026
🌞 Somewhat Hot Wednesday
Good Wednesday to you! We're halfway through the week, and it's a pretty hot one, with highs pushing near 90° and humidity building through the day. Skies turn cloudy tonight.

đŸŒŠī¸ Storm Chances Return
Thursday brings a chance of showers and thunderstorms, especially in the afternoon and evening, before clearing out a bit overnight. Friday keeps a 30 to 40% chance of more showers and storms under cloudy skies.

đŸŒĻī¸ Cooler for the Weekend
Saturday's chance ticks up to around 50% for showers and thunderstorms, with highs easing into the low to mid 80s Thursday through Saturday. Sunday only carries a slight 20% storm chance with highs in the mid 80s.

🔭 Looking Further Out
Monday and Tuesday look sunny with highs in the low to mid 80s. Longer range signals show temperatures near or slightly below normal, with precipitation running slightly above normal.

Have an awesome Wednesday!

The forecast:

Today: Hi 87 â˜€ī¸ Lo 68 – Patchy fog early, then sunny

Thursday: Hi 82 â›ˆī¸80% Lo 63 đŸŒ§ī¸30% – Showers and storms increasing in the afternoon, lingering into the evening

Friday: Hi 81 đŸŒĻī¸30% Lo 64 đŸŒ§ī¸40% – Afternoon storm chance, showers possible overnight

Saturday: Hi 82 đŸŒĻī¸50% Lo 65 đŸŒ§ī¸30% – Showers and storms possible through the day, lingering early

Sunday: Hi 83 🌞20% Lo 62 – Mostly sunny with a slight afternoon storm chance

Monday: Hi 83 🌞 Lo 61 – Sunny and pleasant

Tuesday: Hi 83 🌞 Lo 62 – Sunny

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