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Weather forecast in Loudoun County, United States

Loudoun County, current weather: overcast, no precipitation is expected for the next 2 hours. Air temperature +7°, feels like +4°. Wind speed 3.1 Meters per second, southerly. Pressure 755 millimeters of mercury. Humidity 93%. Sunrise 07:21, Sunset 19:16. This time yesterday +6°

What type of warnings are you interested in?

Weather forecast for the weekend: rain, thunderstorms · +17⁠…⁠+20⁠° · winds at 8 m⁠/⁠s with gusts up to 14 m⁠/⁠s

Next week

temperature between +8⁠° and +22⁠° · winds at 8⁠–⁠11 m⁠/⁠s with gusts up to 16 m⁠/⁠s · partly cloudy, no precipitation

Wind speed 3.1 Meters per second, southerly, Light. Humidity 93%, High. Pressure 755 millimeters of mercury, Normal

Data sources

Click to view information from weather data sources

Hourly forecast.

  • 3 am: +7°, partly cloudy, Feels like +4°.

  • 4 am: +7°, overcast, Feels like +4°.

  • 5 am: +7°, overcast, Feels like +4°.

  • 6 am: +7°, overcast, Feels like +4°.

  • 7 am: +7°, overcast, Feels like +4°.

  • Sunrise 15 March 07:21 am

  • 8 am: +8°, overcast, Feels like +5°.

  • 9 am: +8°, overcast, Feels like +5°.

  • 10 am: +9°, overcast, Feels like +6°.

  • 11 am: +10°, overcast, Feels like +7°.

  • 12 pm: +12°, overcast, Feels like +9°.

  • 1 pm: +13°, overcast, Feels like +10°.

  • 2 pm: +15°, overcast, Feels like +12°.

  • 3 pm: +16°, overcast, Feels like +12°.

  • 4 pm: +17°, overcast, Feels like +13°.

  • 5 pm: +17°, overcast, Feels like +13°.

  • 6 pm: +17°, partly cloudy, Feels like +14°.

  • 7 pm: +16°, overcast, Feels like +13°.

  • Sunset 15 March 07:16 pm

  • 8 pm: +15°, overcast, Feels like +13°.

  • 9 pm: +15°, overcast, Feels like +13°.

  • 10 pm: +15°, overcast, Feels like +13°.

  • 11 pm: +15°, overcast, Feels like +13°.

  • Sunday, 12 am: +15°, overcast, Feels like +13°.

  • 1 am: +16°, overcast, Feels like +13°.

  • 2 am: +17°, overcast, Feels like +14°.

  • 3 am: +18°, overcast, Feels like +15°.

  • 4 am: +18°, overcast, Feels like +15°.

  • 5 am: +18°, overcast, Feels like +16°.

  • 6 am: +18°, overcast, Feels like +16°.

  • 7 am: +18°, overcast, Feels like +15°.

  • Sunrise 16 March 07:19 am

  • 8 am: +18°, overcast, Feels like +15°.

  • 9 am: +19°, overcast, Feels like +17°. Probability of precipitation 60%

  • 10 am: +19°, overcast, Feels like +16°.

  • 11 am: +20°, overcast, Feels like +17°.

  • 12 pm: +20°, light rain, Feels like +17°. Probability of precipitation 90%

  • 1 pm: +20°, light rain, Feels like +17°. Probability of precipitation 90%

  • 2 pm: +20°, light rain, Feels like +17°. Probability of precipitation 90%

  • 3 pm: +20°, light rain, Feels like +16°. Probability of precipitation 90%

  • 4 pm: +20°, thunderstorm with rain, Feels like +16°. Probability of precipitation 90%

  • 5 pm: +20°, thunderstorm with rain, Feels like +17°. Probability of precipitation 90%

  • 6 pm: +19°, thunderstorm with rain, Feels like +17°. Probability of precipitation 80%

  • 7 pm: +18°, thunderstorm with rain, Feels like +17°. Probability of precipitation 70%

  • Sunset 16 March 07:17 pm

  • 8 pm: +17°, thunderstorm with rain, Feels like +16°. Probability of precipitation 60%

  • 9 pm: +16°, rain, Feels like +15°. Probability of precipitation 60%

  • 10 pm: +15°, light rain, Feels like +15°. Probability of precipitation 60%

  • 11 pm: +14°, mostly clear, Feels like +13°.

Air quality forecast

Moderate

Air quality is acceptable. Enjoy your usual outdoor activities.

  • AQI — 58
  • AQI — 55
  • AQI — 52
  • AQI — 53
  • AQI — 56
  • AQI — 56
  • AQI — 49
  • AQI — 43

Weather forecast for Today, 15 March: in the morning air temperature +8°, feels like +4°, overcast, wind speed 4.4 meters per second, south-easterly, humidity 89%, pressure 755 millimeters of mercury; in the afternoon +15°, feels like +12°, overcast, wind speed 6 meters per second, southerly, humidity 68%, pressure 753 millimeters of mercury; in the evening +16°, feels like +13°, overcast, wind speed 4.9 meters per second, south-easterly, humidity 70%, pressure 752 millimeters of mercury; in the night +17°, feels like +14°, overcast, wind speed 6.3 meters per second, southerly, humidity 82%, pressure 750 millimeters of mercury; uv index: 5, moderate; magnetic field: quiet; sunrise 7:21 am; sunset 7:16 pm; daylight hours: 11 hr 55 min

Weather forecast for Tomorrow, 16 March: in the morning air temperature +19°, feels like +16°, overcast, wind speed 6.9 meters per second, southerly, humidity 83%, pressure 748 millimeters of mercury; in the afternoon +20°, feels like +16°, thunderstorm with rain, wind speed 8.5 meters per second, southerly, humidity 80%, pressure 745 millimeters of mercury; in the evening +18°, feels like +16°, thunderstorm with rain, wind speed 5.1 meters per second, south-westerly, humidity 84%, pressure 746 millimeters of mercury; in the night +13°, feels like +11°, light rain, wind speed 3.2 meters per second, north-westerly, humidity 85%, pressure 749 millimeters of mercury; uv index: 1, low; magnetic field: quiet; daytime water temperature +14°; sunrise 7:19 am; sunset 7:17 pm; daylight hours: 11 hr 58 min

Weather forecast for Monday, 17 March: in the morning air temperature +10°, feels like +5°, partly cloudy, wind speed 6.5 meters per second, north-westerly, humidity 74%, pressure 752 millimeters of mercury; in the afternoon +11°, feels like +5°, mostly clear, wind speed 7.5 meters per second, north-westerly, humidity 54%, pressure 753 millimeters of mercury; in the evening +9°, feels like +2°, clear, wind speed 6.5 meters per second, north-westerly, humidity 48%, pressure 754 millimeters of mercury; in the night +5°, feels like −1°, clear, wind speed 4.8 meters per second, north-westerly, humidity 55%, pressure 756 millimeters of mercury; uv index: 5, moderate; magnetic field: quiet; daytime water temperature +10°; sunrise 7:18 am; sunset 7:18 pm; daylight hours: 12 hr 0 min

Weather forecast for Tuesday, 18 March: in the morning air temperature +8°, feels like +3°, clear, wind speed 4.3 meters per second, north-westerly, humidity 50%, pressure 758 millimeters of mercury; in the afternoon +18°, feels like +15°, mostly clear, wind speed 4 meters per second, north-westerly, humidity 28%, pressure 756 millimeters of mercury; in the evening +13°, feels like +10°, mostly clear, wind speed 2.5 meters per second, south-easterly, humidity 48%, pressure 755 millimeters of mercury; in the night +8°, feels like +5°, mostly clear, wind speed 2.5 meters per second, southerly, humidity 67%, pressure 755 millimeters of mercury; uv index: 6, high; daytime water temperature +11°; sunrise 7:16 am; sunset 7:19 pm; daylight hours: 12 hr 3 min

Weather forecast for Wednesday, 19 March: in the morning air temperature +12°, feels like +9°, overcast, wind speed 3 meters per second, southerly, humidity 60%, pressure 755 millimeters of mercury; in the afternoon +22°, feels like +18°, overcast, wind speed 4 meters per second, south-easterly, humidity 37%, pressure 752 millimeters of mercury; in the evening +17°, feels like +14°, overcast, wind speed 3.5 meters per second, south-easterly, humidity 54%, pressure 750 millimeters of mercury; in the night +12°, feels like +8°, overcast, wind speed 4 meters per second, south-easterly, humidity 66%, pressure 748 millimeters of mercury; uv index: 0, low; daytime water temperature +10°; sunrise 7:15 am; sunset 7:20 pm; daylight hours: 12 hr 5 min

Weather forecast for Thursday, 20 March: in the morning air temperature +12°, feels like +7°, partly cloudy, wind speed 6.1 meters per second, south-westerly, humidity 69%, pressure 746 millimeters of mercury; in the afternoon +14°, feels like +8°, overcast, wind speed 7 meters per second, south-westerly, humidity 56%, pressure 743 millimeters of mercury; in the evening +9°, feels like +3°, partly cloudy, wind speed 6.1 meters per second, westerly, humidity 62%, pressure 743 millimeters of mercury; in the night +4°, feels like −3°, overcast, wind speed 6.1 meters per second, westerly, humidity 57%, pressure 744 millimeters of mercury; daytime water temperature +12°; sunrise 7:13 am; sunset 7:21 pm; daylight hours: 12 hr 8 min

Weather forecast for Friday, 21 March: in the morning air temperature +5°, feels like −5°, overcast, wind speed 10.5 meters per second, westerly, humidity 46%, pressure 749 millimeters of mercury; in the afternoon +8°, feels like −3°, overcast, wind speed 11.1 meters per second, westerly, humidity 37%, pressure 749 millimeters of mercury; in the evening +6°, feels like −1°, partly cloudy, wind speed 6.5 meters per second, north-westerly, humidity 44%, pressure 751 millimeters of mercury; in the night +3°, feels like −4°, mostly clear, wind speed 6.5 meters per second, north-westerly, humidity 50%, pressure 752 millimeters of mercury; daytime water temperature +7°; sunrise 7:12 am; sunset 7:22 pm; daylight hours: 12 hr 10 min

Weather forecast for Saturday, 22 March: in the morning air temperature +8°, feels like +2°, mostly clear, wind speed 5 meters per second, westerly, humidity 53%, pressure 752 millimeters of mercury; in the afternoon +14°, feels like +8°, overcast, wind speed 6 meters per second, westerly, humidity 39%, pressure 751 millimeters of mercury; in the evening +11°, feels like +7°, overcast, wind speed 3.7 meters per second, south-westerly, humidity 56%, pressure 749 millimeters of mercury; in the night +7°, feels like +3°, partly cloudy, wind speed 3.5 meters per second, north-westerly, humidity 66%, pressure 750 millimeters of mercury; daytime water temperature +8°; sunrise 7:10 am; sunset 7:23 pm; daylight hours: 12 hr 13 min

Weather forecast for Sunday, 23 March: in the morning air temperature +8°, feels like +3°, overcast, wind speed 4.9 meters per second, north-westerly, humidity 59%, pressure 753 millimeters of mercury; in the afternoon +16°, feels like +11°, overcast, wind speed 5.4 meters per second, westerly, humidity 41%, pressure 752 millimeters of mercury; in the evening +11°, feels like +7°, mostly clear, wind speed 3 meters per second, northerly, humidity 59%, pressure 752 millimeters of mercury; in the night +6°, feels like +2°, overcast, wind speed 2.9 meters per second, southerly, humidity 72%, pressure 753 millimeters of mercury; daytime water temperature +8°; sunrise 7:08 am; sunset 7:24 pm; daylight hours: 12 hr 16 min

Weather forecast for Monday, 24 March: in the morning air temperature +8°, feels like +4°, overcast, wind speed 3.5 meters per second, westerly, humidity 70%, pressure 754 millimeters of mercury; in the afternoon +14°, feels like +10°, overcast, wind speed 3.9 meters per second, south-westerly, humidity 53%, pressure 755 millimeters of mercury; in the evening +11°, feels like +8°, overcast, wind speed 2.5 meters per second, south-easterly, humidity 72%, pressure 754 millimeters of mercury; in the night +10°, feels like +7°, overcast, wind speed 3.5 meters per second, south-easterly, humidity 75%, pressure 754 millimeters of mercury; daytime water temperature +10°; sunrise 7:07 am; sunset 7:25 pm; daylight hours: 12 hr 18 min

Weather in Loudoun County — FAQ

What is the weather today in Loudoun County?

The weather in Loudoun County today: overcast, with an air temperature of +13°.

What will the weather in Loudoun County be like tomorrow?

The weather in Loudoun County tomorrow: thunderstorm with rain, with an air temperature of +19°.

What is the usual weather in Loudoun County in March?

In March, the weather in Loudoun County is usually clear, with an average air temperature of +7°.

What is the air pollution level in Loudoun County right now?

The air pollution level in Loudoun County is currently low, measuring 55.

What is the coldest month in Loudoun County?

The coldest month in Loudoun County is January, with an average air temperature of +1°.

What is the hottest month in Loudoun County?

The hottest month in Loudoun County is July, with an average air temperature of +26°.