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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 +2°, feels like −1°. Wind speed 1.5 Meters per second, northerly. Pressure 762 millimeters of mercury. Humidity 69%. Sunrise 07:02, Sunset 19:28. This time yesterday +7°

What type of warnings are you interested in?

Hourly forecast.

  • 8 am: +1°, clear, Feels like -3°.

  • 9 am: +3°, clear, Feels like -1°.

  • 10 am: +5°, clear, Feels like 0°.

  • 11 am: +7°, clear, Feels like +2°.

  • 12 pm: +11°, clear, Feels like +6°.

  • 1 pm: +12°, clear, Feels like +7°.

  • 2 pm: +13°, clear, Feels like +8°.

  • 3 pm: +14°, mostly clear, Feels like +9°.

  • 4 pm: +15°, mostly clear, Feels like +9°.

  • 5 pm: +15°, mostly clear, Feels like +9°.

  • 6 pm: +15°, mostly clear, Feels like +10°.

  • 7 pm: +13°, clear, Feels like +9°.

  • Sunset 27 March 07:28 pm

  • 8 pm: +11°, clear, Feels like +8°.

  • 9 pm: +8°, clear, Feels like +5°.

  • 10 pm: +7°, clear, Feels like +4°.

  • 11 pm: +6°, clear, Feels like +2°.

  • Friday, 12 am: +6°, clear, Feels like +3°.

  • 1 am: +5°, clear, Feels like +2°.

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

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

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

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

  • 6 am: +4°, partly cloudy, Feels like +1°.

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

  • Sunrise 28 March 07:01 am

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

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

  • 10 am: +13°, overcast, Feels like +10°.

  • 11 am: +16°, overcast, Feels like +12°.

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

  • 1 pm: +19°, overcast, Feels like +15°.

  • 2 pm: +20°, overcast, Feels like +15°.

  • 3 pm: +20°, overcast, Feels like +16°.

  • 4 pm: +19°, overcast, Feels like +15°.

  • 5 pm: +19°, overcast, Feels like +15°.

  • 6 pm: +18°, overcast, Feels like +14°.

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

  • Sunset 28 March 07:29 pm

  • 8 pm: +16°, mostly clear, Feels like +14°.

  • 9 pm: +16°, mostly clear, Feels like +14°.

  • 10 pm: +16°, overcast, Feels like +14°.

  • 11 pm: +16°, partly cloudy, Feels like +14°.

Air quality forecast

Good

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

  • AQI — 38
  • AQI — 36
  • AQI — 40
  • AQI — 36
  • AQI — 44
  • AQI — 42
  • AQI — 50
  • AQI — 78

Weather forecast for Today, 27 March: in the morning air temperature +3°, feels like −2°, clear, wind speed 3.2 meters per second, north-westerly, humidity 50%, pressure 762 millimeters of mercury; in the afternoon +13°, feels like +8°, mostly clear, wind speed 4 meters per second, westerly, humidity 20%, pressure 761 millimeters of mercury; in the evening +12°, feels like +7°, clear, wind speed 3 meters per second, westerly, humidity 31%, pressure 759 millimeters of mercury; in the night +5°, feels like +2°, mostly clear, wind speed 1.5 meters per second, southerly, humidity 58%, pressure 759 millimeters of mercury; uv index: 5, moderate; magnetic field: minor storm; sunrise 7:02 am; sunset 7:28 pm; daylight hours: 12 hr 26 min

Weather forecast for Tomorrow, 28 March: in the morning air temperature +9°, feels like +5°, overcast, wind speed 2.7 meters per second, southerly, humidity 54%, pressure 759 millimeters of mercury; in the afternoon +19°, feels like +14°, overcast, wind speed 5.1 meters per second, southerly, humidity 40%, pressure 757 millimeters of mercury; in the evening +17°, feels like +14°, partly cloudy, wind speed 4.4 meters per second, southerly, humidity 57%, pressure 756 millimeters of mercury; in the night +16°, feels like +14°, partly cloudy, wind speed 3 meters per second, south-westerly, humidity 63%, pressure 754 millimeters of mercury; uv index: 2, low; magnetic field: quiet; daytime water temperature +9°; sunrise 7:01 am; sunset 7:29 pm; daylight hours: 12 hr 28 min

Weather forecast for Saturday, 29 March: in the morning air temperature +18°, feels like +15°, overcast, wind speed 4 meters per second, south-westerly, humidity 53%, pressure 756 millimeters of mercury; in the afternoon +27°, feels like +23°, overcast, wind speed 5.5 meters per second, south-westerly, humidity 27%, pressure 755 millimeters of mercury; in the evening +25°, feels like +22°, partly cloudy, wind speed 4 meters per second, south-westerly, humidity 36%, pressure 754 millimeters of mercury; in the night +19°, feels like +17°, mostly clear, wind speed 3.5 meters per second, south-westerly, humidity 59%, pressure 755 millimeters of mercury; uv index: 4, moderate; magnetic field: quiet; daytime water temperature +14°; sunrise 6:59 am; sunset 7:30 pm; daylight hours: 12 hr 31 min

Weather forecast for Sunday, 30 March: in the morning air temperature +19°, feels like +16°, overcast, wind speed 5.1 meters per second, southerly, humidity 69%, pressure 754 millimeters of mercury; in the afternoon +25°, feels like +21°, overcast, wind speed 7.9 meters per second, south-westerly, humidity 49%, pressure 752 millimeters of mercury; in the evening +21°, feels like +19°, light rain, wind speed 4.3 meters per second, southerly, humidity 67%, pressure 751 millimeters of mercury; in the night +20°, feels like +18°, light rain, wind speed 5 meters per second, southerly, humidity 78%, pressure 749 millimeters of mercury; uv index: 2, low; daytime water temperature +18°; sunrise 6:57 am; sunset 7:31 pm; daylight hours: 12 hr 34 min

Weather forecast for Monday, 31 March: in the morning air temperature +21°, feels like +19°, light rain, wind speed 5.8 meters per second, south-westerly, humidity 77%, pressure 748 millimeters of mercury; in the afternoon +24°, feels like +21°, rain, wind speed 6.8 meters per second, south-westerly, humidity 62%, pressure 745 millimeters of mercury; in the evening +19°, feels like +16°, light rain, wind speed 6.4 meters per second, westerly, humidity 71%, pressure 746 millimeters of mercury; in the night +12°, feels like +7°, rain, wind speed 5.6 meters per second, north-westerly, humidity 64%, pressure 749 millimeters of mercury; uv index: 0, low; daytime water temperature +20°; sunrise 6:56 am; sunset 7:32 pm; daylight hours: 12 hr 36 min

Weather forecast for Tuesday, 1 April: in the morning air temperature +8°, feels like +1°, mostly clear, wind speed 7.1 meters per second, north-westerly, humidity 47%, pressure 756 millimeters of mercury; in the afternoon +13°, feels like +6°, mostly clear, wind speed 6.5 meters per second, north-westerly, humidity 28%, pressure 758 millimeters of mercury; in the evening +9°, feels like +4°, mostly clear, wind speed 3 meters per second, northerly, humidity 39%, pressure 759 millimeters of mercury; in the night +4°, feels like 0°, partly cloudy, wind speed 2.7 meters per second, north-easterly, humidity 60%, pressure 761 millimeters of mercury; daytime water temperature +12°; sunrise 6:54 am; sunset 7:33 pm; daylight hours: 12 hr 39 min

Weather forecast for Wednesday, 2 April: in the morning air temperature +9°, feels like +4°, overcast, wind speed 4.1 meters per second, easterly, humidity 57%, pressure 763 millimeters of mercury; in the afternoon +16°, feels like +10°, overcast, wind speed 6.5 meters per second, south-easterly, humidity 41%, pressure 760 millimeters of mercury; in the evening +14°, feels like +10°, overcast, wind speed 4.9 meters per second, south-easterly, humidity 61%, pressure 757 millimeters of mercury; in the night +13°, feels like +9°, overcast, wind speed 4.8 meters per second, southerly, humidity 78%, pressure 755 millimeters of mercury; daytime water temperature +11°; sunrise 6:53 am; sunset 7:33 pm; daylight hours: 12 hr 40 min

Weather forecast for Thursday, 3 April: in the morning air temperature +17°, feels like +14°, overcast, wind speed 5.3 meters per second, south-westerly, humidity 71%, pressure 754 millimeters of mercury; in the afternoon +23°, feels like +18°, partly cloudy, wind speed 8.1 meters per second, south-westerly, humidity 53%, pressure 752 millimeters of mercury; in the evening +20°, feels like +19°, rain, wind speed 3.9 meters per second, westerly, humidity 68%, pressure 753 millimeters of mercury; in the night +17°, feels like +15°, rain, wind speed 3.9 meters per second, north-westerly, humidity 76%, pressure 753 millimeters of mercury; daytime water temperature +12°; sunrise 6:51 am; sunset 7:34 pm; daylight hours: 12 hr 43 min

Weather forecast for Friday, 4 April: in the morning air temperature +18°, feels like +16°, rain, wind speed 4 meters per second, westerly, humidity 73%, pressure 754 millimeters of mercury; in the afternoon +24°, feels like +22°, rain, wind speed 5 meters per second, south-westerly, humidity 57%, pressure 753 millimeters of mercury; in the evening +19°, feels like +19°, rain, wind speed 2.7 meters per second, westerly, humidity 77%, pressure 753 millimeters of mercury; in the night +15°, feels like +13°, overcast, wind speed 3.2 meters per second, westerly, humidity 81%, pressure 754 millimeters of mercury; daytime water temperature +16°; sunrise 6:50 am; sunset 7:35 pm; daylight hours: 12 hr 45 min

Weather forecast for Saturday, 5 April: in the morning air temperature +16°, feels like +13°, mostly clear, wind speed 4.5 meters per second, westerly, humidity 71%, pressure 756 millimeters of mercury; in the afternoon +21°, feels like +18°, mostly clear, wind speed 4.9 meters per second, north-westerly, humidity 50%, pressure 757 millimeters of mercury; in the evening +17°, feels like +16°, partly cloudy, wind speed 2.7 meters per second, south-westerly, humidity 76%, pressure 755 millimeters of mercury; in the night +15°, feels like +13°, rain, wind speed 3.5 meters per second, westerly, humidity 82%, pressure 754 millimeters of mercury; daytime water temperature +17°; sunrise 6:48 am; sunset 7:36 pm; daylight hours: 12 hr 48 min

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 +9°.

What will the weather in Loudoun County be like tomorrow?

The weather in Loudoun County tomorrow: overcast, with an air temperature of +15°.

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 36.

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°.