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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 Sunday, May 17, 2026

Posted on May 17, 2026May 17, 2026 By admin No Comments on Loudoun County Weather Outlook for Sunday, May 17, 2026
☁️ **Cloudy Sunday With Some Showers**

A little more cloud cover today than expected, with scattered showers this morning into early afternoon. A shower or thunderstorm is possible this afternoon as well. Highs near 90° with some humidity, making it feel pretty hot.

🌡️ **Heat Builds Monday and Tuesday**

Monday brings hot conditions with highs in the low to mid 90s. Tuesday is the hottest day of the week, with highs climbing into the mid to upper 90s.

⛈️ **Storms Likely Wednesday**

Highs back in the low to mid 90s, with showers and thunderstorms likely in the afternoon. Some could be strong to severe. Rain should taper off Wednesday night.

🌫️ **Big Pattern Change Thursday Onward**

An easterly flow off the ocean moves in, bringing daily chances of showers and drizzle, morning fog, and much cooler temperatures. Highs drop to the 60s to around 70° and that pattern could hold straight through the weekend and into Memorial Day.


The forecast:
Today: Hi 88 🌦️20% Lo 63 🌙 – Slight chance of showers before 11am, then
slight chance of showers and thunderstorms after 2pm, otherwise mostly sunny

Monday: Hi 93 ☀️ Lo 68 🌙 – Sunny, calm wind becoming south 5-9 mph in the
afternoon

Tuesday: Hi 95 ☀️ Lo 69 🌙 – 🥵 Sunny with light southwest wind increasing
to 5-9 mph in the afternoon

Wednesday: Hi 93 ⛈️80% Lo 57 🌧️80% – Showers and possibly thunderstorms
after 2pm, continuing before 8pm then chance of showers through 2am

Thursday: Hi 71 🌦️40% Lo 52 🌧️50% – Partly sunny with chance of showers
after 8am, chance of showers after 2am

Friday: Hi 66 🌧️60% Lo 52 🌧️40% – Showers likely, mostly cloudy with chance
of showers continuing

Saturday: Hi 70 🌧️40% Lo TBD 🌙 – Chance of showers, mostly cloudy

#loudoun #loudouncountyva #vawx #loudounweather #loudounva #virginiaweather

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