Loudoun County, current weather: clear, no precipitation is expected for the next 2 hours. Air temperature +18°, feels like +16°. Wind speed 3.1 Meters per second, northerly. Pressure 751 millimeters of mercury. Humidity 63%. Daytime water temperature +22°. Sunrise 06:45, Sunset 19:30. This time yesterday +17°
Weather forecast in Loudoun County, United States
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Next week
almost no precipitation · it will warm up to +29° · light winds at 3 m/s with gusts up to 8 m/s
Weather forecast for tomorrow: +10…+23° · clear, no precipitation · light winds at 2–4 m/s with gusts up to 8 m/s
Weather forecast for today: +10…+23° · clear, no precipitation · light winds at 2–4 m/s with gusts up to 8 m/s
Weather forecast for the weekend: +22…+23° · clear, no precipitation · light winds at 4 m/s with gusts up to 8 m/s
Wind speed 3.1 Meters per second, northerly, Light. Humidity 63%, Normal. Pressure 751 millimeters of mercury, Normal
Data sources
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Hourly forecast.
12 am: +18°, clear, Feels like +17°.
1 am: +15°, clear, Feels like +14°.
2 am: +14°, clear, Feels like +12°.
3 am: +11°, clear, Feels like +9°.
4 am: +10°, clear, Feels like +8°.
5 am: +10°, clear, Feels like +8°.
6 am: +10°, clear, Feels like +8°.
Sunrise 8 September 06:45 am
7 am: +10°, clear, Feels like +8°.
8 am: +13°, clear, Feels like +11°.
9 am: +16°, clear, Feels like +13°.
10 am: +17°, clear, Feels like +14°.
11 am: +19°, clear, Feels like +16°.
12 pm: +20°, clear, Feels like +18°.
1 pm: +21°, clear, Feels like +19°.
2 pm: +22°, clear, Feels like +20°.
3 pm: +23°, clear, Feels like +20°.
4 pm: +23°, clear, Feels like +19°.
5 pm: +23°, clear, Feels like +19°.
6 pm: +22°, clear, Feels like +19°.
7 pm: +19°, clear, Feels like +17°.
Sunset 8 September 07:30 pm
8 pm: +16°, clear, Feels like +14°.
9 pm: +14°, clear, Feels like +12°.
10 pm: +13°, clear, Feels like +11°.
11 pm: +12°, clear, Feels like +10°.
Monday, 12 am: +11°, clear, Feels like +9°.
1 am: +10°, clear, Feels like +8°.
2 am: +9°, clear, Feels like +7°.
3 am: +9°, clear, Feels like +7°.
4 am: +8°, clear, Feels like +6°.
5 am: +8°, clear, Feels like +6°.
6 am: +7°, clear, Feels like +5°.
Sunrise 9 September 06:46 am
7 am: +8°, clear, Feels like +6°.
8 am: +12°, clear, Feels like +11°.
9 am: +17°, clear, Feels like +16°.
10 am: +21°, clear, Feels like +20°.
11 am: +23°, clear, Feels like +22°.
12 pm: +24°, clear, Feels like +23°.
1 pm: +25°, clear, Feels like +24°.
2 pm: +25°, clear, Feels like +24°.
3 pm: +26°, clear, Feels like +25°.
4 pm: +26°, clear, Feels like +24°.
5 pm: +26°, clear, Feels like +24°.
6 pm: +24°, clear, Feels like +22°.
7 pm: +22°, clear, Feels like +21°.
Sunset 9 September 07:28 pm
8 pm: +18°, clear, Feels like +17°.
9 pm: +16°, clear, Feels like +15°.
10 pm: +15°, clear, Feels like +14°.
11 pm: +14°, clear, Feels like +13°.
Free AI-powered Weather App
10-day forecast
Air quality forecast
Good
The air quality is good. Enjoy your usual outdoor activities.
- AQI — 35
- AQI — 31
- AQI — 27
- AQI — 23
- AQI — 24
- AQI — 31
- AQI — 40
- AQI — 40
Weather forecast for Today, 8 September: in the morning air temperature +14°, feels like +12°, clear, wind speed 4 meters per second, north-westerly, humidity 67%, pressure 756 millimeters of mercury; in the afternoon +22°, feels like +20°, clear, wind speed 3.9 meters per second, north-westerly, humidity 31%, pressure 756 millimeters of mercury; in the evening +18°, feels like +15°, clear, wind speed 2.7 meters per second, north-westerly, humidity 45%, pressure 756 millimeters of mercury; in the night +10°, feels like +8°, clear, wind speed 1.2 meters per second, westerly, humidity 66%, pressure 758 millimeters of mercury; uv index: 7, high; magnetic field: quiet; daytime water temperature +18°; sunrise 06:45; sunset 19:30; daylight hours: 12 hr 45 min
Weather forecast for Tomorrow, 9 September: in the morning air temperature +15°, feels like +14°, clear, wind speed 2.2 meters per second, westerly, humidity 60%, pressure 759 millimeters of mercury; in the afternoon +25°, feels like +24°, clear, wind speed 2.4 meters per second, westerly, humidity 29%, pressure 757 millimeters of mercury; in the evening +20°, feels like +19°, clear, wind speed 1.7 meters per second, southerly, humidity 50%, pressure 757 millimeters of mercury; in the night +13°, feels like +12°, clear, wind speed 1.2 meters per second, south-westerly, humidity 73%, pressure 757 millimeters of mercury; uv index: 6, high; magnetic field: quiet; daytime water temperature +15°; sunrise 06:46; sunset 19:28; daylight hours: 12 hr 42 min
Weather forecast for Tuesday, 10 September: in the morning air temperature +18°, feels like +18°, clear, wind speed 2.2 meters per second, north-westerly, humidity 64%, pressure 758 millimeters of mercury; in the afternoon +28°, feels like +28°, clear, wind speed 2.4 meters per second, north-westerly, humidity 31%, pressure 758 millimeters of mercury; in the evening +23°, feels like +23°, clear, wind speed 1.5 meters per second, south-easterly, humidity 54%, pressure 757 millimeters of mercury; in the night +16°, feels like +16°, clear, wind speed 1.2 meters per second, northerly, humidity 75%, pressure 757 millimeters of mercury; uv index: 7, high; magnetic field: quiet; daytime water temperature +16°; sunrise 06:46; sunset 19:26; daylight hours: 12 hr 40 min
Weather forecast for Wednesday, 11 September: in the morning air temperature +21°, feels like +23°, mostly clear, wind speed 1.7 meters per second, north-westerly, humidity 72%, pressure 759 millimeters of mercury; in the afternoon +29°, feels like +30°, mostly clear, wind speed 2.2 meters per second, south-easterly, humidity 41%, pressure 757 millimeters of mercury; in the evening +22°, feels like +22°, mostly clear, wind speed 1.7 meters per second, south-easterly, humidity 60%, pressure 756 millimeters of mercury; in the night +16°, feels like +16°, clear, wind speed 1.7 meters per second, southerly, humidity 83%, pressure 758 millimeters of mercury; uv index: 6, high; daytime water temperature +17°; sunrise 06:47; sunset 19:25; daylight hours: 12 hr 38 min
Weather forecast for Thursday, 12 September: in the morning air temperature +22°, feels like +23°, clear, wind speed 1.8 meters per second, south-easterly, humidity 73%, pressure 760 millimeters of mercury; in the afternoon +29°, feels like +29°, partly cloudy, wind speed 2.5 meters per second, easterly, humidity 43%, pressure 759 millimeters of mercury; in the evening +22°, feels like +22°, overcast, wind speed 2.2 meters per second, south-easterly, humidity 63%, pressure 758 millimeters of mercury; in the night +17°, feels like +17°, overcast, wind speed 1.8 meters per second, south-easterly, humidity 83%, pressure 759 millimeters of mercury; uv index: 0, low; daytime water temperature +19°; sunrise 06:48; sunset 19:23; daylight hours: 12 hr 35 min
Weather forecast for Friday, 13 September: in the morning air temperature +22°, feels like +23°, overcast, wind speed 2.4 meters per second, easterly, humidity 79%, pressure 760 millimeters of mercury; in the afternoon +27°, feels like +28°, overcast, wind speed 3.2 meters per second, easterly, humidity 61%, pressure 759 millimeters of mercury; in the evening +22°, feels like +22°, partly cloudy, wind speed 2.2 meters per second, easterly, humidity 69%, pressure 759 millimeters of mercury; in the night +19°, feels like +19°, overcast, wind speed 2 meters per second, north-easterly, humidity 82%, pressure 759 millimeters of mercury; daytime water temperature +20°; sunrise 06:49; sunset 19:22; daylight hours: 12 hr 33 min
Weather forecast for Saturday, 14 September: in the morning air temperature +23°, feels like +25°, light rain, wind speed 2.5 meters per second, easterly, humidity 82%, pressure 759 millimeters of mercury; in the afternoon +27°, feels like +28°, light rain, wind speed 3.2 meters per second, south-easterly, humidity 60%, pressure 758 millimeters of mercury; in the evening +23°, feels like +24°, overcast, wind speed 2.5 meters per second, south-easterly, humidity 69%, pressure 756 millimeters of mercury; in the night +20°, feels like +21°, overcast, wind speed 2.2 meters per second, south-easterly, humidity 83%, pressure 757 millimeters of mercury; daytime water temperature +21°; sunrise 06:50; sunset 19:20; daylight hours: 12 hr 30 min
Weather forecast for Sunday, 15 September: in the morning air temperature +23°, feels like +25°, overcast, wind speed 2.5 meters per second, easterly, humidity 81%, pressure 757 millimeters of mercury; in the afternoon +28°, feels like +29°, overcast, wind speed 3.2 meters per second, south-easterly, humidity 56%, pressure 756 millimeters of mercury; in the evening +22°, feels like +23°, overcast, wind speed 2 meters per second, easterly, humidity 78%, pressure 755 millimeters of mercury; in the night +20°, feels like +21°, light rain, wind speed 2 meters per second, easterly, humidity 83%, pressure 755 millimeters of mercury; daytime water temperature +21°; sunrise 06:51; sunset 19:18; daylight hours: 12 hr 27 min
Weather forecast for Monday, 16 September: in the morning air temperature +23°, feels like +24°, light rain, wind speed 3 meters per second, easterly, humidity 75%, pressure 756 millimeters of mercury; in the afternoon +27°, feels like +27°, light rain, wind speed 4.1 meters per second, south-easterly, humidity 60%, pressure 756 millimeters of mercury; in the evening +22°, feels like +23°, light rain, wind speed 2.5 meters per second, easterly, humidity 74%, pressure 756 millimeters of mercury; in the night +20°, feels like +21°, light rain, wind speed 2.5 meters per second, easterly, humidity 88%, pressure 757 millimeters of mercury; daytime water temperature +21°; sunrise 06:52; sunset 19:17; daylight hours: 12 hr 25 min
Weather forecast for Tuesday, 17 September: in the morning air temperature +21°, feels like +21°, light rain, wind speed 3.2 meters per second, northerly, humidity 76%, pressure 756 millimeters of mercury; in the afternoon +26°, feels like +25°, partly cloudy, wind speed 3.7 meters per second, northerly, humidity 54%, pressure 755 millimeters of mercury; in the evening +20°, feels like +20°, partly cloudy, wind speed 2.2 meters per second, northerly, humidity 76%, pressure 755 millimeters of mercury; in the night +16°, feels like +15°, partly cloudy, wind speed 2.5 meters per second, northerly, humidity 85%, pressure 755 millimeters of mercury; daytime water temperature +20°; sunrise 06:53; sunset 19:15; daylight hours: 12 hr 22 min
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No precipitation is expected for the next 2 hours
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Snow depth
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Temperature
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Pressure
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Weather in Loudoun County — FAQ
What is the weather today in Loudoun County?
The weather in Loudoun County today: clear, with an air temperature of +18°.
What will the weather in Loudoun County be like tomorrow?
The weather in Loudoun County tomorrow: clear, with an air temperature of +20°.
What is the usual weather in Loudoun County in September?
In September, the weather in Loudoun County is usually partly cloudy, with an average air temperature of +24°.
What is the air pollution level in Loudoun County right now?
The air pollution level in Loudoun County is currently low, measuring 30.
What is the coldest month in Loudoun County?
The coldest month in Loudoun County is January, with an average air temperature of +4°.
What is the hottest month in Loudoun County?
The hottest month in Loudoun County is July, with an average air temperature of +29°.