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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 Monday, July 20, 2026**

Posted on July 20, 2026July 20, 2026 By admin No Comments on **Loudoun County Weather Outlook for Monday, July 20, 2026**
âš ī¸âšĄ Severe Storms Possible Tuesday

đŸŒ¤ī¸ Beautiful Start to the Week
Good Monday morning! Highs in the mid 80s, south winds cranking up humidity overnight, and a fifty percent chance of showers and storms late.

đŸŒŠī¸ Watching Tuesday Closely
Tomorrow starts sunny but turns much warmer, highs near 90. Storms are possible afternoon and evening, some could turn severe with damaging winds, hail, and even an isolated tornado. Rain chances continue Tuesday night as a front moves through.

đŸŒĻī¸ Midweek Front Passage
A secondary front keeps a smaller rain chance Wednesday, with temperatures easing into the mid 80s.

â˜€ī¸ Thursday Steals the Show
Thursday is the gem of the week, highs near 80, low humidity, refreshing northerly wind. Incredible for late July.

🌞 Warming Back Up for the Weekend
Friday stays pleasant in the low 80s, then mid 80s Saturday and upper 80s Sunday, closer to normal by weekend's end.

A beautiful stretch once we get past Tuesday's severe threat. This is usually the hottest week of the year, so cooler temperatures are a welcome break, though summer heat isn't done yet.

The forecast:

Monday: Hi 84 🌞 Lo 68 đŸŒ§ī¸50% – Mostly sunny, then increasing clouds with a chance of showers and storms after 2am
Tuesday: Hi 87 đŸŒĻī¸70% Lo 68 đŸŒ§ī¸90% – Showers and storms likely, mainly in the afternoon and continuing into the night
Wednesday: Hi 84 đŸŒĻī¸30% Lo 60 – Mostly sunny, slight chance of afternoon showers or storms
Thursday: Hi 79 🌞 Lo 59 – Sunny and pleasant
Friday: Hi 81 🌞 Lo 63 â˜ī¸ – Sunny during the day, turning mostly cloudy overnight
Saturday: Hi 83 🌞 Lo 65 â˜ī¸ – Mostly sunny, becoming partly cloudy
Sunday: Hi 87 đŸŒ¤ī¸ Lo 64 – Mostly sunny

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