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Weather forecast in Loudoun County, United States

Loudoun County, current weather: partly cloudy, no precipitation is expected for the next 2 hours. Air temperature +1°, feels like −2°. Wind speed 1.5 Meters per second, north-westerly. Pressure 748 millimeters of mercury. Humidity 100%. Sunrise 07:26, Sunset 17:14. This time yesterday 0°

What type of warnings are you interested in?

Hourly forecast.

  • 9 pm: +1°, partly cloudy, Feels like -2°.

  • 10 pm: +1°, mostly clear, Feels like -2°.

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

  • Sunday, 12 am: +3°, mostly clear, Feels like 0°.

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

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

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

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

  • 5 am: +2°, overcast, Feels like -2°.

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

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

  • Sunrise 19 January 07:25 am

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

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

  • 10 am: +1°, sleet, Feels like -4°. Probability of precipitation 60%

  • 11 am: +1°, sleet, Feels like -4°. Probability of precipitation 70%

  • 12 pm: 0°, sleet, Feels like -6°. Probability of precipitation 70%

  • 1 pm: -1°, sleet, Feels like -6°. Probability of precipitation 50%

  • 2 pm: -1°, sleet, Feels like -8°. Probability of precipitation 40%

  • 3 pm: -2°, sleet, Feels like -9°. Probability of precipitation 50%

  • 4 pm: -2°, sleet, Feels like -8°. Probability of precipitation 70%

  • 5 pm: -2°, snow, Feels like -8°. Probability of precipitation 70%

  • Sunset 19 January 05:15 pm

  • 6 pm: -2°, snow, Feels like -9°. Probability of precipitation 60%

  • 7 pm: -3°, snow, Feels like -10°. Probability of precipitation 60%

  • 8 pm: -3°, partly cloudy, Feels like -10°.

  • 9 pm: -4°, partly cloudy, Feels like -11°.

  • 10 pm: -4°, partly cloudy, Feels like -11°.

  • 11 pm: -4°, mostly clear, Feels like -11°.

Air quality forecast

Moderate

Air quality is acceptable. Enjoy your usual outdoor activities.

  • AQI — 63
  • AQI — 75
  • AQI — 84
  • AQI — 67
  • AQI — 45
  • AQI — 33
  • AQI — 34
  • AQI — 30

Weather forecast for Today, 18 January: in the morning air temperature +4°, feels like −1°, sleet, wind speed 4.8 meters per second, southerly, humidity 70%, pressure 750 millimeters of mercury; in the afternoon +7°, feels like +2°, partly cloudy, wind speed 4.4 meters per second, southerly, humidity 67%, pressure 747 millimeters of mercury; in the evening +3°, feels like 0°, partly cloudy, wind speed 2 meters per second, south-westerly, humidity 87%, pressure 748 millimeters of mercury; in the night +2°, feels like −2°, partly cloudy, wind speed 3.5 meters per second, north-westerly, humidity 90%, pressure 749 millimeters of mercury; uv index: 1, low; magnetic field: quiet; sunrise 7:26 am; sunset 5:14 pm; daylight hours: 9 hr 48 min

Weather forecast for Tomorrow, 19 January: in the morning air temperature +1°, feels like −4°, sleet, wind speed 4.6 meters per second, northerly, humidity 89%, pressure 749 millimeters of mercury; in the afternoon -1°, feels like −8°, snow, wind speed 6.1 meters per second, northerly, humidity 91%, pressure 745 millimeters of mercury; in the evening -3°, feels like −10°, snow, wind speed 6.5 meters per second, north-westerly, humidity 86%, pressure 748 millimeters of mercury; in the night -6°, feels like −13°, mostly clear, wind speed 6.1 meters per second, north-westerly, humidity 69%, pressure 753 millimeters of mercury; uv index: 0, low; magnetic field: quiet; daytime water temperature +1°; sunrise 7:25 am; sunset 5:15 pm; daylight hours: 9 hr 50 min

Weather forecast for Monday, 20 January: in the morning air temperature -8°, feels like −16°, clear, wind speed 7.3 meters per second, north-westerly, humidity 57%, pressure 759 millimeters of mercury; in the afternoon -8°, feels like −17°, partly cloudy, wind speed 7.1 meters per second, north-westerly, humidity 46%, pressure 763 millimeters of mercury; in the evening -12°, feels like −18°, clear, wind speed 3.7 meters per second, westerly, humidity 54%, pressure 766 millimeters of mercury; in the night -14°, feels like −19°, partly cloudy, wind speed 2.5 meters per second, north-westerly, humidity 62%, pressure 767 millimeters of mercury; uv index: 2, low; magnetic field: quiet; daytime water temperature 0°; sunrise 7:25 am; sunset 5:16 pm; daylight hours: 9 hr 51 min

Weather forecast for Tuesday, 21 January: in the morning air temperature -12°, feels like −17°, overcast, wind speed 2.5 meters per second, westerly, humidity 56%, pressure 768 millimeters of mercury; in the afternoon -7°, feels like −12°, overcast, wind speed 2.5 meters per second, south-westerly, humidity 48%, pressure 766 millimeters of mercury; in the evening -9°, feels like −13°, overcast, wind speed 1.5 meters per second, easterly, humidity 66%, pressure 766 millimeters of mercury; in the night -11°, feels like −16°, light snow, wind speed 2.9 meters per second, north-westerly, humidity 77%, pressure 766 millimeters of mercury; uv index: 2, low; magnetic field: quiet; daytime water temperature 0°; sunrise 7:24 am; sunset 5:17 pm; daylight hours: 9 hr 53 min

Weather forecast for Wednesday, 22 January: in the morning air temperature -13°, feels like −19°, light snow, wind speed 3.9 meters per second, north-westerly, humidity 64%, pressure 768 millimeters of mercury; in the afternoon -10°, feels like −16°, mostly clear, wind speed 3.5 meters per second, north-westerly, humidity 47%, pressure 767 millimeters of mercury; in the evening -14°, feels like −19°, overcast, wind speed 1.8 meters per second, north-easterly, humidity 72%, pressure 766 millimeters of mercury; in the night -15°, feels like −20°, partly cloudy, wind speed 1.8 meters per second, easterly, humidity 76%, pressure 766 millimeters of mercury; uv index: 2, low; 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 -13°, feels like −18°, overcast, wind speed 2.5 meters per second, south-easterly, humidity 73%, pressure 764 millimeters of mercury; in the afternoon -3°, feels like −8°, overcast, wind speed 3 meters per second, easterly, humidity 58%, pressure 762 millimeters of mercury; in the evening -8°, feels like −13°, mostly clear, wind speed 2 meters per second, north-easterly, humidity 71%, pressure 760 millimeters of mercury; in the night -12°, feels like −17°, mostly clear, wind speed 2.5 meters per second, north-westerly, humidity 76%, pressure 758 millimeters of mercury; uv index: 0, low; 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 -10°, feels like −15°, clear, wind speed 3 meters per second, north-westerly, humidity 73%, pressure 757 millimeters of mercury; in the afternoon +1°, feels like −4°, mostly clear, wind speed 3.7 meters per second, westerly, humidity 59%, pressure 755 millimeters of mercury; in the evening -4°, feels like −9°, overcast, wind speed 3.4 meters per second, westerly, humidity 71%, pressure 755 millimeters of mercury; in the night -7°, feels like −12°, partly cloudy, wind speed 3 meters per second, westerly, humidity 74%, pressure 756 millimeters of mercury; 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 -5°, feels like −10°, overcast, wind speed 3.2 meters per second, westerly, humidity 68%, pressure 759 millimeters of mercury; in the afternoon +4°, feels like −1°, mostly clear, wind speed 3.5 meters per second, westerly, humidity 47%, pressure 758 millimeters of mercury; in the evening -1°, feels like −5°, mostly clear, wind speed 2.4 meters per second, southerly, humidity 66%, pressure 760 millimeters of mercury; in the night -5°, feels like −10°, overcast, wind speed 2.5 meters per second, north-westerly, humidity 75%, pressure 761 millimeters of mercury; 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 -3°, feels like −7°, overcast, wind speed 2.2 meters per second, north-westerly, humidity 70%, pressure 762 millimeters of mercury; in the afternoon +6°, feels like +1°, overcast, wind speed 3.9 meters per second, westerly, humidity 46%, pressure 758 millimeters of mercury; in the evening +1°, feels like −4°, overcast, wind speed 2.9 meters per second, north-westerly, humidity 67%, pressure 758 millimeters of mercury; in the night -1°, feels like −5°, overcast, wind speed 2.7 meters per second, north-westerly, humidity 77%, pressure 759 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 -1°, feels like −6°, mostly clear, wind speed 3.7 meters per second, north-westerly, humidity 69%, pressure 762 millimeters of mercury; in the afternoon +3°, feels like −3°, mostly clear, wind speed 4.5 meters per second, north-westerly, humidity 51%, pressure 762 millimeters of mercury; in the evening -1°, feels like −6°, clear, wind speed 2.7 meters per second, northerly, humidity 68%, pressure 762 millimeters of mercury; in the night -3°, feels like −8°, clear, wind speed 2.9 meters per second, northerly, humidity 75%, pressure 761 millimeters of mercury; daytime water temperature +2°; sunrise 7:20 am; sunset 5:24 pm; daylight hours: 10 hr 4 min

Weather in Loudoun County — FAQ

What is the weather today in Loudoun County?

The weather in Loudoun County today: sleet, with an air temperature of +5°.

What will the weather in Loudoun County be like tomorrow?

The weather in Loudoun County tomorrow: snow, with an air temperature of −1°.

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 68.

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°.