Loudoun County Weather Outlook for Tuesday, August 18, 2026
🌤️ Nice Tuesday
Today's shaping up pretty nice with some sun and a northerly breeze helping knock the humidity down as we go through the day. Tomorrow turns a bit hotter with sunshine sticking around all day.
🌧️ Rain Returns Late Week
Rain looks to move in late Wednesday night, with showers and thunderstorms likely Thursday into Thursday night. We'll keep some sun mixed with storm chances into Friday as well, with temps easing back a bit.
🌦️ Unsettled Weekend
Saturday brings a good chance of more showers and storms, which could linger into the overnight hours. Sunday backs off a little, with around a 40% chance of a shower or storm.
🔭 Looking Further Out – Cooler than normal!!!
Monday looks great with plenty of sunshine, followed by a much cooler night. That cooler trend looks to hold into the long range too, along with a continued chance of above-normal rainfall.
The forecast:
Today: Hi 84 🌤️ Lo 64 – Mostly sunny and pleasant
Wednesday: Hi 87 ☀️ Lo 68 🌧️20% – Sunny, then a slight chance of showers and storms late
Thursday: Hi 83 🌦️70% Lo 65 🌧️60% – Showers and thunderstorms likely, continuing into the evening
Friday: Hi 81 🌦️40% Lo 65 🌧️50% – A chance of afternoon showers and storms, with chances continuing overnight
Saturday: Hi 81 🌦️60% Lo 65 🌧️60% – Showers and storms likely, with chances continuing overnight
Sunday: Hi 82 🌤️20% Lo 62 – A slight chance of showers and storms, clearing overnight
Monday: Hi 81 ☀️ Lo 60 – Sunny
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Loudoun County Weather Outlook for Monday, August 17, 2026
Loudoun County Weather Outlook for Sunday, August 16, 2026
⚠️⚡ Severe Storms Possible
🌊 Localized Flooding Possible
🌧️ Wet Start, Watching for Severe Later
Rain moves through this morning, then a break by midday. Any sunshine during that break ramps up storm chances fast this afternoon.
⚡ Severe Weather Threat This Afternoon
Plenty of atmospheric energy is in place for strong to severe storms later today. Multiple rounds are possible, so stay weather aware.
🌊 Localized Flooding Possible
Repeat rounds of heavy rain could train over the same areas, raising the risk of localized flooding this afternoon and evening. Rain tapers off tonight.
🚌 Pretty Hot Start to Back to School Week
Monday is the first day back to school, sunny with highs near 90, a hot start to the week.
☀️ Sunny Tuesday and Wednesday
Tuesday is cooler in the mid-80s, then back up near 90 on Wednesday.
🌦️ Unsettled Pattern Returns
Thursday through Saturday bring daily chances of showers and storms, 30 to 40% each day, typical for mid-August. Highs stay warm, with high humidity.
🔭 Looking Further Out
The extended range has near-normal temps with above-normal rain chances.
The forecast:
Today: Hi 82 ⛈️90% Lo 70 🌧️90% – Showers and thunderstorms with heavy rain and severe storms possible
Monday: Hi 88 🌤️ Lo 66 – Mostly sunny and pleasant
Tuesday: Hi 84 🌞 Lo 63 – Sunny and nice
Wednesday: Hi 88 ☀️ Lo 67 🌧️30% – Sunny during the day, chance of showers and storms overnight
Thursday: Hi 84 🌦️40% Lo 63 🌧️30% – Chance of showers and storms during the day; storms possible overnight
Friday: Hi 81 ⛅40% Lo 63 🌧️40% – Chance of showers and storms during the day and overnight
Saturday: Hi 82 🌧️30% Lo 65 🌧️30% – Chance of showers and storms during the day and overnight
Please support Tree of Life Ministries, an important organization to me! https://www.tolministries.org
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Weather Outlook
Loudoun County Weather Outlook for Saturday, August 15, 2026
⚠️⚡ Severe Storms Possible Sunday
🌞 Beautiful Saturday
Enjoy it while you can! Sunshine and comfortable humidity make for a great day to get outside. Clouds will increase tonight as tomorrow's system approaches.
⚡ Storms Possible Sunday
Sunday brings a good chance of showers and thunderstorms, and some could turn severe. The higher severe risk sits just south of us, but we're close enough that we'll need to watch closely for damaging wind, hail, and an isolated tornado. Rain looks to continue into Sunday night.
🌡️ Hot Start to the Week
Monday turns hot and humid. Tuesday looks fantastic with lower humidity. Wednesday warms back up again.
🌦️ More Rain Chances Late Week
Thursday brings another shot at showers and storms. Friday only carries a slight chance of a stray thunderstorm.
💧 We Need the Rain
Long range guidance keeps temperatures and rainfall trending above normal, which is exactly what we need given how dry things have been. Get outside today and enjoy it!
The forecast:
Today: Hi 86 🌤️ Lo 69 🌧️30%. Patchy fog early, then mostly sunny, with showers possible overnight after 4am
Sunday: Hi 83 ⛈️90% Lo 71 🌧️60%. Showers and thunderstorms throughout the day and continuing into the night
Monday: Hi 87 🌤️ Lo 66. Mostly sunny
Tuesday: Hi 84 🌞 Lo 64. Sunny and pleasant
Wednesday: Hi 87 ☀️ Lo 68 🌧️20%. Sunny with a slight chance of showers overnight
Thursday: Hi 86 🌦️40% Lo 64 🌧️30%. Chance of showers and thunderstorms day and night
Friday: Hi 81 🌦️20% Lo 62. Slight chance of showers and thunderstorms
#loudoun #loudouncountyva #vawx #loudounweather #loudounva #virginiaweather
Please support Tree of Life Ministries, an important organization to me! https://www.tolministries.org
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Loudoun County Weather Outlook for Friday, August 14, 2026
⛈️ Storms Today
Good chance of showers today with some thunderstorms possible, highs in the mid 80s.
☀️ Beautiful Saturday
Really, really nice tomorrow, highs in the mid 80s with lower humidity.
⛈️ Sunday Storm Risk
Good chance of showers and thunderstorms, some could be severe, and heavier rainfall is possible in spots.
🌦️ Monday Slight Risk
Only a slight risk of a shower or storm, highs in the upper 80s.
🌤️ Nice Tuesday
Looking really nice again, highs in the mid 80s with lower humidity.
⛈️ Heat Returns Midweek
Warming up Wednesday with highs getting close to 90, and about the same Thursday with a chance of storms back in the picture.
📈 Looking Further Out
Longer range, temperatures and precipitation are both trending above normal. We're watching the middle to latter part of next week for a possible push of even hotter air.
The forecast:
Friday: Hi 83 🌧️60% Lo 67 🌧️30% – Chance of showers and thunderstorms throughout the day, lingering into the evening
Saturday: Hi 85 🌤️ Lo 68 🌧️40% – Mostly sunny afternoon, then chance of showers and thunderstorms overnight
Sunday: Hi 86 🌧️80% Lo 71 🌧️80% – Showers and thunderstorms likely throughout the day and into the night
Monday: Hi 88 🌤️20% Lo 66 – Mostly sunny with a slight chance of afternoon showers and thunderstorms
Tuesday: Hi 84 🌞 Lo 65 – Sunny and pleasant
Wednesday: Hi 87 ☀️ Lo 69 – Sunny
Thursday: Hi 89 🌤️30% Lo 72 – Mostly sunny with a chance of showers and thunderstorms
#loudoun #loudouncountyva #vawx #loudounweather #loudounva #virginiaweather
Please support Tree of Life Ministries, an important organization to me! https://www.tolministries.org
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Twitter: https://twitter.com/loudounwx
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On the Web @ https://loudounweather.com













