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Weather forecast in Loudoun County, United States

Loudoun County, current weather: rain, rain is expected to continue for the next 2 hours. Air temperature +12°, feels like +11°. Wind speed 2.6 Meters per second, south-easterly. Pressure 746 millimeters of mercury. Humidity 100%. Daytime water temperature +11°. Sunrise 07:18, Sunset 16:47. This time yesterday +6°

What type of warnings are you interested in?

Weather forecast for tomorrow: heavy rain · +3⁠…⁠+15⁠° · winds at 4⁠–⁠7 m⁠/⁠s with gusts up to 12 m⁠/⁠s

Weather forecast for the week: rain · temperature will drop to +6⁠° · winds at 7 m⁠/⁠s with gusts up to 12 m⁠/⁠s

Weather forecast for today: rain will end around 21:00 · +3⁠…⁠+15⁠° · winds at 5⁠–⁠7 m⁠/⁠s with gusts up to 12 m⁠/⁠s

Weather forecast for the weekend: rain · temperature will drop to +7⁠° · light winds at 3 m⁠/⁠s with gusts up to 8 m⁠/⁠s

Tomorrow

pressure will increase by 11 mm to 752 mm of mercury

Wind speed 2.6 Meters per second, south-easterly, Light. Humidity 100%, High. Pressure 746 millimeters of mercury, Normal

Data sources

Click to view information from weather data sources

Hourly forecast.

  • 3 am: +12°, rain, Feels like +10°. Probability of precipitation 90%

  • 4 am: +12°, rain, Feels like +10°. Probability of precipitation 90%

  • 5 am: +12°, rain, Feels like +10°. Probability of precipitation 90%

  • 6 am: +12°, rain, Feels like +9°. Probability of precipitation 40%

  • 7 am: +15°, rain, Feels like +13°. Probability of precipitation 60%

  • Sunrise 11 December 07:18 am

  • 8 am: +15°, rain, Feels like +13°. Probability of precipitation 70%

  • 9 am: +15°, rain, Feels like +14°. Probability of precipitation 60%

  • 10 am: +15°, rain, Feels like +14°. Probability of precipitation 40%

  • 11 am: +14°, heavy rain, Feels like +12°. Probability of precipitation 50%

  • 12 pm: +13°, heavy rain, Feels like +11°. Probability of precipitation 70%

  • 1 pm: +10°, rain, Feels like +6°. Probability of precipitation 70%

  • 2 pm: +7°, rain, Feels like +1°. Probability of precipitation 40%

  • 3 pm: +6°, rain, Feels like 0°. Probability of precipitation 40%

  • 4 pm: +5°, rain, Feels like -1°. Probability of precipitation 60%

  • Sunset 11 December 04:47 pm

  • 5 pm: +4°, rain, Feels like -2°. Probability of precipitation 70%

  • 6 pm: +4°, rain, Feels like -2°. Probability of precipitation 50%

  • 7 pm: +3°, light rain, Feels like -3°. Probability of precipitation 60%

  • 8 pm: +3°, light rain, Feels like -4°. Probability of precipitation 40%

  • 9 pm: +3°, partly cloudy, Feels like -4°.

  • 10 pm: +3°, mostly clear, Feels like -3°.

  • 11 pm: +2°, partly cloudy, Feels like -3°.

  • Thursday, 12 am: +1°, partly cloudy, Feels like -4°.

  • 1 am: +1°, mostly clear, Feels like -3°.

  • 2 am: 0°, mostly clear, Feels like -4°.

  • 3 am: 0°, partly cloudy, Feels like -4°.

  • 4 am: +1°, overcast, Feels like -3°.

  • 5 am: +1°, overcast, Feels like -3°.

  • 6 am: +1°, partly cloudy, Feels like -3°.

  • 7 am: +1°, mostly clear, Feels like -4°.

  • Sunrise 12 December 07:19 am

  • 8 am: +2°, clear, Feels like -3°.

  • 9 am: +3°, clear, Feels like -3°.

  • 10 am: +4°, mostly clear, Feels like -3°.

  • 11 am: +5°, mostly clear, Feels like -2°.

  • 12 pm: +5°, mostly clear, Feels like -2°.

  • 1 pm: +6°, partly cloudy, Feels like -1°.

  • 2 pm: +6°, overcast, Feels like -1°.

  • 3 pm: +6°, overcast, Feels like -1°.

  • 4 pm: +4°, overcast, Feels like -2°.

  • Sunset 12 December 04:47 pm

  • 5 pm: +3°, mostly clear, Feels like -2°.

  • 6 pm: +2°, clear, Feels like -2°.

  • 7 pm: +1°, clear, Feels like -3°.

  • 8 pm: 0°, clear, Feels like -4°.

  • 9 pm: -1°, clear, Feels like -5°.

  • 10 pm: -2°, clear, Feels like -6°.

  • 11 pm: -2°, clear, Feels like -5°.

Air quality forecast

Good

The air quality is good. Enjoy your usual outdoor activities.

  • AQI42
  • AQI31
  • AQI34
  • AQI31
  • AQI23
  • AQI23
  • AQI12
  • AQI12

Weather forecast for Today, 11 December: in the morning air temperature +14°, feels like +12°, heavy rain, wind speed 4.3 meters per second, southerly, humidity 94%, pressure 744 millimeters of mercury; in the afternoon +8°, feels like +2°, heavy rain, wind speed 7 meters per second, north-westerly, humidity 90%, pressure 743 millimeters of mercury; in the evening +3°, feels like −4°, rain, wind speed 6.1 meters per second, north-westerly, humidity 73%, pressure 748 millimeters of mercury; in the night +1°, feels like −5°, partly cloudy, wind speed 5.1 meters per second, south-westerly, humidity 65%, pressure 754 millimeters of mercury; uv index: 0, low; magnetic field: quiet; sunrise 7:18 am; sunset 4:47 pm; daylight hours: 9 hr 29 min

Weather forecast for Tomorrow, 12 December: in the morning air temperature +3°, feels like −4°, mostly clear, wind speed 5.8 meters per second, westerly, humidity 52%, pressure 759 millimeters of mercury; in the afternoon +5°, feels like −2°, partly cloudy, wind speed 5.8 meters per second, westerly, humidity 33%, pressure 761 millimeters of mercury; in the evening +1°, feels like −3°, clear, wind speed 2 meters per second, north-westerly, humidity 52%, pressure 764 millimeters of mercury; in the night -3°, feels like −7°, mostly clear, wind speed 1.1 meters per second, north-easterly, humidity 68%, pressure 766 millimeters of mercury; uv index: 2, low; magnetic field: quiet; daytime water temperature +5°; sunrise 7:19 am; sunset 4:47 pm; daylight hours: 9 hr 28 min

Weather forecast for Friday, 13 December: in the morning air temperature 0°, feels like −4°, partly cloudy, wind speed 1.7 meters per second, north-easterly, humidity 63%, pressure 769 millimeters of mercury; in the afternoon +5°, feels like +1°, partly cloudy, wind speed 2 meters per second, north-easterly, humidity 46%, pressure 770 millimeters of mercury; in the evening 0°, feels like −3°, overcast, wind speed 1 meters per second, north-easterly, humidity 70%, pressure 772 millimeters of mercury; in the night -2°, feels like −6°, partly cloudy, wind speed 1.6 meters per second, easterly, humidity 76%, pressure 772 millimeters of mercury; uv index: 2, low; magnetic field: quiet; daytime water temperature +4°; sunrise 7:20 am; sunset 4:47 pm; daylight hours: 9 hr 27 min

Weather forecast for Saturday, 14 December: in the morning air temperature +1°, feels like −3°, partly cloudy, wind speed 2.2 meters per second, easterly, humidity 70%, pressure 773 millimeters of mercury; in the afternoon +7°, feels like +3°, overcast, wind speed 2.9 meters per second, south-easterly, humidity 54%, pressure 771 millimeters of mercury; in the evening +3°, feels like −1°, overcast, wind speed 2 meters per second, easterly, humidity 74%, pressure 771 millimeters of mercury; in the night +3°, feels like 0°, overcast, wind speed 2 meters per second, easterly, humidity 84%, pressure 770 millimeters of mercury; uv index: 1, low; daytime water temperature +4°; sunrise 7:21 am; sunset 4:48 pm; daylight hours: 9 hr 27 min

Weather forecast for Sunday, 15 December: in the morning air temperature +5°, feels like +2°, overcast, wind speed 2.2 meters per second, easterly, humidity 88%, pressure 769 millimeters of mercury; in the afternoon +8°, feels like +5°, rain, wind speed 2.7 meters per second, south-easterly, humidity 82%, pressure 766 millimeters of mercury; in the evening +7°, feels like +4°, rain, wind speed 2.7 meters per second, easterly, humidity 90%, pressure 765 millimeters of mercury; in the night +7°, feels like +4°, heavy rain, wind speed 3.2 meters per second, south-westerly, humidity 92%, pressure 763 millimeters of mercury; uv index: 0, low; daytime water temperature +5°; sunrise 7:21 am; sunset 4:48 pm; daylight hours: 9 hr 27 min

Weather forecast for Monday, 16 December: in the morning air temperature +9°, feels like +6°, heavy rain, wind speed 3.2 meters per second, easterly, humidity 87%, pressure 762 millimeters of mercury; in the afternoon +12°, feels like +9°, light rain, wind speed 3.7 meters per second, easterly, humidity 77%, pressure 760 millimeters of mercury; in the evening +10°, feels like +7°, overcast, wind speed 3.2 meters per second, south-easterly, humidity 85%, pressure 759 millimeters of mercury; in the night +10°, feels like +6°, overcast, wind speed 4.8 meters per second, south-easterly, humidity 87%, pressure 757 millimeters of mercury; daytime water temperature +8°; sunrise 7:22 am; sunset 4:48 pm; daylight hours: 9 hr 26 min

Weather forecast for Tuesday, 17 December: in the morning air temperature +12°, feels like +9°, light rain, wind speed 4.5 meters per second, south-westerly, humidity 86%, pressure 755 millimeters of mercury; in the afternoon +14°, feels like +10°, light rain, wind speed 5.1 meters per second, westerly, humidity 63%, pressure 756 millimeters of mercury; in the evening +9°, feels like +5°, light rain, wind speed 3.7 meters per second, westerly, humidity 65%, pressure 758 millimeters of mercury; in the night +5°, feels like +1°, light rain, wind speed 3 meters per second, westerly, humidity 73%, pressure 759 millimeters of mercury; daytime water temperature +10°; sunrise 7:23 am; sunset 4:48 pm; daylight hours: 9 hr 25 min

Weather forecast for Wednesday, 18 December: in the morning air temperature +5°, feels like 0°, light rain, wind speed 4 meters per second, north-westerly, humidity 66%, pressure 760 millimeters of mercury; in the afternoon +9°, feels like +4°, light rain, wind speed 4.8 meters per second, north-westerly, humidity 54%, pressure 760 millimeters of mercury; in the evening +4°, feels like 0°, mostly clear, wind speed 3.2 meters per second, north-westerly, humidity 70%, pressure 762 millimeters of mercury; in the night +1°, feels like −4°, partly cloudy, wind speed 3.2 meters per second, north-westerly, humidity 77%, pressure 761 millimeters of mercury; daytime water temperature +8°; sunrise 7:23 am; sunset 4:49 pm; daylight hours: 9 hr 26 min

Weather forecast for Thursday, 19 December: in the morning air temperature +1°, feels like −4°, partly cloudy, wind speed 3.7 meters per second, north-westerly, humidity 74%, pressure 762 millimeters of mercury; in the afternoon +6°, feels like 0°, partly cloudy, wind speed 5 meters per second, north-westerly, humidity 59%, pressure 759 millimeters of mercury; in the evening +4°, feels like 0°, clear, wind speed 3.2 meters per second, south-easterly, humidity 71%, pressure 759 millimeters of mercury; in the night +3°, feels like −1°, clear, wind speed 3.2 meters per second, south-easterly, humidity 80%, pressure 757 millimeters of mercury; daytime water temperature +5°; sunrise 7:24 am; sunset 4:49 pm; daylight hours: 9 hr 25 min

Weather forecast for Friday, 20 December: in the morning air temperature +6°, feels like +2°, partly cloudy, wind speed 3.5 meters per second, westerly, humidity 76%, pressure 754 millimeters of mercury; in the afternoon +8°, feels like +3°, rain, wind speed 4.6 meters per second, westerly, humidity 69%, pressure 751 millimeters of mercury; in the evening +5°, feels like +1°, overcast, wind speed 3.2 meters per second, westerly, humidity 77%, pressure 752 millimeters of mercury; in the night +3°, feels like −1°, overcast, wind speed 3 meters per second, westerly, humidity 82%, pressure 752 millimeters of mercury; daytime water temperature +7°; sunrise 7:24 am; sunset 4:50 pm; daylight hours: 9 hr 26 min

Weather in Loudoun County — FAQ

What is the weather today in Loudoun County?

The weather in Loudoun County today: heavy rain, with an air temperature of +9°.

What will the weather in Loudoun County be like tomorrow?

The weather in Loudoun County tomorrow: mostly clear, with an air temperature of +3°.

What is the usual weather in Loudoun County in December?

In December, 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 32.

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°.