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Weather forecast in Loudoun County, United States

Loudoun County, current weather: clear, no precipitation is expected for the next 2 hours. Air temperature -10°, feels like −15°. Wind speed 2.6 Meters per second, north-westerly. Pressure 768 millimeters of mercury. Humidity 66%. Sunrise 07:24, Sunset 17:17. This time yesterday −6°

What type of warnings are you interested in?

Hourly forecast.

  • 6 am: -10°, overcast, Feels like -14°.

  • 7 am: -10°, partly cloudy, Feels like -14°.

  • Sunrise 21 January 07:24 am

  • 8 am: -10°, overcast, Feels like -14°.

  • 9 am: -10°, overcast, Feels like -15°.

  • 10 am: -9°, overcast, Feels like -14°.

  • 11 am: -8°, overcast, Feels like -13°.

  • 12 pm: -8°, overcast, Feels like -13°.

  • 1 pm: -8°, overcast, Feels like -13°.

  • 2 pm: -8°, light snow, Feels like -13°. Probability of precipitation 20%

  • 3 pm: -7°, light snow, Feels like -11°. Probability of precipitation 20%

  • 4 pm: -8°, light snow, Feels like -12°. Probability of precipitation 20%

  • 5 pm: -8°, light snow, Feels like -12°. Probability of precipitation 20%

  • Sunset 21 January 05:17 pm

  • 6 pm: -8°, light snow, Feels like -12°. Probability of precipitation 20%

  • 7 pm: -8°, light snow, Feels like -12°. Probability of precipitation 20%

  • 8 pm: -9°, light snow, Feels like -13°. Probability of precipitation 20%

  • 9 pm: -9°, light snow, Feels like -13°. Probability of precipitation 20%

  • 10 pm: -9°, light snow, Feels like -13°. Probability of precipitation 20%

  • 11 pm: -9°, light snow, Feels like -13°. Probability of precipitation 20%

  • Wednesday, 12 am: -10°, mostly clear, Feels like -14°.

  • 1 am: -12°, mostly clear, Feels like -16°.

  • 2 am: -12°, mostly clear, Feels like -16°.

  • 3 am: -12°, clear, Feels like -17°.

  • 4 am: -12°, clear, Feels like -18°.

  • 5 am: -13°, clear, Feels like -19°.

  • 6 am: -14°, clear, Feels like -20°.

  • 7 am: -14°, clear, Feels like -20°.

  • Sunrise 22 January 07:24 am

  • 8 am: -13°, clear, Feels like -19°.

  • 9 am: -12°, clear, Feels like -18°.

  • 10 am: -11°, clear, Feels like -17°.

  • 11 am: -10°, clear, Feels like -17°.

  • 12 pm: -9°, clear, Feels like -16°.

  • 1 pm: -9°, clear, Feels like -15°.

  • 2 pm: -8°, partly cloudy, Feels like -14°.

  • 3 pm: -8°, overcast, Feels like -13°.

  • 4 pm: -9°, overcast, Feels like -14°.

  • 5 pm: -9°, overcast, Feels like -13°.

  • Sunset 22 January 05:18 pm

  • 6 pm: -10°, overcast, Feels like -14°.

  • 7 pm: -10°, overcast, Feels like -14°.

  • 8 pm: -10°, partly cloudy, Feels like -14°.

  • 9 pm: -11°, mostly clear, Feels like -15°.

  • 10 pm: -12°, partly cloudy, Feels like -17°.

  • 11 pm: -11°, partly cloudy, Feels like -16°.

Air quality forecast

Good

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

  • AQI — 38
  • AQI — 38
  • AQI — 45
  • AQI — 46
  • AQI — 40
  • AQI — 44
  • AQI — 59
  • AQI — 79

Weather forecast for Today, 21 January: in the morning air temperature -10°, feels like −15°, overcast, wind speed 1.6 meters per second, north-westerly, humidity 55%, pressure 768 millimeters of mercury; in the afternoon -8°, feels like −13°, light snow, wind speed 1.5 meters per second, easterly, humidity 45%, pressure 766 millimeters of mercury; in the evening -9°, feels like −13°, light snow, wind speed 1.2 meters per second, easterly, humidity 58%, pressure 765 millimeters of mercury; in the night -11°, feels like −17°, light snow, wind speed 3.5 meters per second, north-westerly, humidity 71%, pressure 765 millimeters of mercury; uv index: 2, low; magnetic field: quiet; sunrise 7:24 am; sunset 5:17 pm; daylight hours: 9 hr 53 min

Weather forecast for Tomorrow, 22 January: in the morning air temperature -12°, feels like −19°, clear, wind speed 4.1 meters per second, north-westerly, humidity 54%, pressure 767 millimeters of mercury; in the afternoon -9°, feels like −16°, partly cloudy, wind speed 4.1 meters per second, north-westerly, humidity 42%, pressure 767 millimeters of mercury; in the evening -10°, feels like −14°, partly cloudy, wind speed 1.3 meters per second, south-easterly, humidity 55%, pressure 766 millimeters of mercury; in the night -12°, feels like −17°, partly cloudy, wind speed 2 meters per second, south-easterly, humidity 59%, pressure 764 millimeters of mercury; uv index: 2, low; magnetic field: quiet; daytime water temperature 0°; sunrise 7:24 am; sunset 5:18 pm; daylight hours: 9 hr 54 min

Weather forecast for Thursday, 23 January: in the morning air temperature -9°, feels like −14°, partly cloudy, wind speed 2.4 meters per second, southerly, humidity 54%, pressure 762 millimeters of mercury; in the afternoon -1°, feels like −6°, partly cloudy, wind speed 2.2 meters per second, southerly, humidity 39%, pressure 759 millimeters of mercury; in the evening -6°, feels like −10°, clear, wind speed 1.2 meters per second, westerly, humidity 64%, pressure 759 millimeters of mercury; in the night -8°, feels like −13°, clear, wind speed 2.2 meters per second, north-westerly, humidity 71%, pressure 759 millimeters of mercury; uv index: 2, low; magnetic field: quiet; daytime water temperature 0°; sunrise 7:23 am; sunset 5:19 pm; daylight hours: 9 hr 56 min

Weather forecast for Friday, 24 January: in the morning air temperature -7°, feels like −12°, mostly clear, wind speed 2.7 meters per second, north-westerly, humidity 69%, pressure 761 millimeters of mercury; in the afternoon -1°, feels like −6°, clear, wind speed 3 meters per second, north-westerly, humidity 51%, pressure 760 millimeters of mercury; in the evening -5°, feels like −10°, clear, wind speed 2 meters per second, north-westerly, humidity 64%, pressure 761 millimeters of mercury; in the night -9°, feels like −14°, clear, wind speed 2.2 meters per second, north-westerly, humidity 71%, pressure 762 millimeters of mercury; uv index: 2, low; daytime water temperature 0°; sunrise 7:22 am; sunset 5:21 pm; daylight hours: 9 hr 59 min

Weather forecast for Saturday, 25 January: in the morning air temperature -8°, feels like −13°, partly cloudy, wind speed 2.4 meters per second, north-westerly, humidity 68%, pressure 764 millimeters of mercury; in the afternoon +2°, feels like −3°, overcast, wind speed 2.7 meters per second, south-westerly, humidity 45%, pressure 761 millimeters of mercury; in the evening -2°, feels like −6°, partly cloudy, wind speed 2 meters per second, southerly, humidity 56%, pressure 761 millimeters of mercury; in the night -3°, feels like −8°, overcast, wind speed 2.2 meters per second, south-westerly, humidity 64%, pressure 760 millimeters of mercury; uv index: 0, low; daytime water temperature 0°; sunrise 7:22 am; sunset 5:22 pm; daylight hours: 10 hr 0 min

Weather forecast for Sunday, 26 January: in the morning air temperature -1°, feels like −6°, overcast, wind speed 2.5 meters per second, south-westerly, humidity 63%, pressure 760 millimeters of mercury; in the afternoon +6°, feels like +1°, overcast, wind speed 3.4 meters per second, westerly, humidity 46%, pressure 759 millimeters of mercury; in the evening +2°, feels like −2°, overcast, wind speed 2 meters per second, south-westerly, humidity 68%, pressure 758 millimeters of mercury; in the night 0°, feels like −5°, overcast, wind speed 3 meters per second, westerly, humidity 75%, pressure 757 millimeters of mercury; daytime water temperature 0°; sunrise 7:21 am; sunset 5:23 pm; daylight hours: 10 hr 2 min

Weather forecast for Monday, 27 January: in the morning air temperature 0°, feels like −6°, sleet, wind speed 4.5 meters per second, westerly, humidity 72%, pressure 756 millimeters of mercury; in the afternoon +4°, feels like −1°, sleet, wind speed 3.9 meters per second, north-westerly, humidity 58%, pressure 754 millimeters of mercury; in the evening 0°, feels like −5°, snow, wind speed 3.2 meters per second, north-westerly, humidity 66%, pressure 753 millimeters of mercury; in the night -2°, feels like −7°, light snow, wind speed 3.5 meters per second, north-westerly, humidity 70%, pressure 753 millimeters of mercury; daytime water temperature +3°; sunrise 7:20 am; sunset 5:24 pm; daylight hours: 10 hr 4 min

Weather forecast for Tuesday, 28 January: in the morning air temperature -2°, feels like −8°, light snow, wind speed 5 meters per second, north-westerly, humidity 62%, pressure 753 millimeters of mercury; in the afternoon +2°, feels like −4°, mostly clear, wind speed 5 meters per second, westerly, humidity 44%, pressure 753 millimeters of mercury; in the evening -2°, feels like −8°, mostly clear, wind speed 3.9 meters per second, westerly, humidity 59%, pressure 751 millimeters of mercury; in the night -3°, feels like −9°, partly cloudy, wind speed 3.7 meters per second, westerly, humidity 63%, pressure 751 millimeters of mercury; daytime water temperature +1°; sunrise 7:19 am; sunset 5:25 pm; daylight hours: 10 hr 6 min

Weather forecast for Wednesday, 29 January: in the morning air temperature -2°, feels like −8°, mostly clear, wind speed 3.9 meters per second, westerly, humidity 62%, pressure 751 millimeters of mercury; in the afternoon +7°, feels like +1°, mostly clear, wind speed 4.9 meters per second, westerly, humidity 45%, pressure 749 millimeters of mercury; in the evening +4°, feels like −1°, overcast, wind speed 4 meters per second, north-westerly, humidity 64%, pressure 750 millimeters of mercury; in the night 0°, feels like −6°, light snow, wind speed 4.5 meters per second, north-westerly, humidity 67%, pressure 751 millimeters of mercury; daytime water temperature +3°; sunrise 7:19 am; sunset 5:26 pm; daylight hours: 10 hr 7 min

Weather forecast for Thursday, 30 January: in the morning air temperature +1°, feels like −6°, partly cloudy, wind speed 6 meters per second, north-westerly, humidity 58%, pressure 753 millimeters of mercury; in the afternoon +6°, feels like 0°, overcast, wind speed 5 meters per second, westerly, humidity 53%, pressure 755 millimeters of mercury; in the evening 0°, feels like −5°, overcast, wind speed 2.7 meters per second, westerly, humidity 71%, pressure 758 millimeters of mercury; in the night -3°, feels like −8°, overcast, wind speed 3 meters per second, north-westerly, humidity 73%, pressure 760 millimeters of mercury; daytime water temperature +4°; sunrise 7:18 am; sunset 5:28 pm; daylight hours: 10 hr 10 min

Weather in Loudoun County — FAQ

What is the weather today in Loudoun County?

The weather in Loudoun County today: light snow, with an air temperature of −9°.

What will the weather in Loudoun County be like tomorrow?

The weather in Loudoun County tomorrow: partly cloudy, with an air temperature of −10°.

What is the usual weather in Loudoun County in January?

In January, the weather in Loudoun County is usually clear, with an average air temperature of +4°.

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

The air pollution level in Loudoun County is currently low, measuring 38.

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°.