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Loudoun County

Hourly forecast

  • 12 pm: +34°, partly cloudy, Feels like +39°.

  • 1 pm: +35°, partly cloudy, Feels like +40°.

  • 2 pm: +34°, partly cloudy, Feels like +37°.

  • 3 pm: +33°, rain, Feels like +34°.

  • 4 pm: +32°, thunderstorm with rain, Feels like +33°.

  • 5 pm: +28°, thunderstorm with rain, Feels like +31°.

  • 6 pm: +27°, thunderstorm with rain, Feels like +30°.

  • 7 pm: +26°, thunderstorm with rain, Feels like +29°.

  • 8 pm: +26°, thunderstorm with rain, Feels like +30°.

  • Sunset 17 July 08:34 pm

  • 9 pm: +25°, thunderstorm with rain, Feels like +29°.

  • 10 pm: +24°, thunderstorm with rain, Feels like +28°.

  • 11 pm: +24°, thunderstorm with rain, Feels like +28°.

  • 12 am: +24°, thunderstorm with rain, Feels like +28°.

  • 1 am: +24°, light rain, Feels like +28°.

  • 2 am: +24°, partly cloudy, Feels like +28°.

  • 3 am: +23°, light rain, Feels like +27°.

  • 4 am: +23°, partly cloudy, Feels like +27°.

  • 5 am: +23°, partly cloudy, Feels like +27°.

  • Sunrise 18 July 05:58 am

  • 6 am: +23°, partly cloudy, Feels like +26°.

  • 7 am: +24°, partly cloudy, Feels like +28°.

  • 8 am: +25°, clear, Feels like +28°.

  • 9 am: +26°, clear, Feels like +28°.

  • 10 am: +27°, partly cloudy, Feels like +30°.

  • 11 am: +28°, partly cloudy, Feels like +31°.

  • 12 pm: +29°, partly cloudy, Feels like +33°.

  • 1 pm: +30°, partly cloudy, Feels like +34°.

  • 2 pm: +30°, partly cloudy, Feels like +33°.

  • 3 pm: +30°, partly cloudy, Feels like +32°.

  • 4 pm: +31°, partly cloudy, Feels like +33°.

  • 5 pm: +31°, partly cloudy, Feels like +32°.

  • 6 pm: +30°, clear, Feels like +30°.

  • 7 pm: +29°, clear, Feels like +30°.

  • 8 pm: +28°, clear, Feels like +29°.

  • Sunset 18 July 08:33 pm

  • 9 pm: +25°, clear, Feels like +25°.

  • 10 pm: +24°, clear, Feels like +24°.

  • 11 pm: +24°, clear, Feels like +24°.

Loudoun County. Weather forecast for today, 17 July: in the morning air temperature +29°, feels like +35°, clear, wind speed 2.7 meters per second, westerly, humidity 74%, pressure 751 millimeters of mercury; in the afternoon +33°, feels like +34°, thunderstorm with rain, wind speed 4 meters per second, south-westerly, humidity 50%, pressure 750 millimeters of mercury; in the evening +26°, feels like +29°, thunderstorm with rain, wind speed 2.7 meters per second, south-westerly, humidity 84%, pressure 750 millimeters of mercury; in the night +24°, feels like +28°, thunderstorm with rain, wind speed 1.5 meters per second, westerly, humidity 92%, pressure 751 millimeters of mercury; uv index: 2, low; magnetic field: quiet; daytime water temperature +35°; sunrise 5:58 am; sunset 8:34 pm; daylight hours: 14 hr 36 min

17Julytoday

Pressure,
mmHg
HumidityWind, m/sFeels like
morning
+24°...+33°
clear
751
74%
2.7
W
+35°
afternoon
+28°...+35°
thunderstorm with rain
750
50%
4
SW
+34°
evening
+25°...+27°
thunderstorm with rain
750
84%
2.7
SW
+29°
night
+23°...+24°
thunderstorm with rain
751
92%
1.5
W
+28°
5:58 am
Daylight hours
14 hr 36 min
8:34 pm
Waxing gibbous
UV Index2, lowMagnetic fieldquiet

Loudoun County. Weather forecast for tomorrow, 18 July: in the morning air temperature +26°, feels like +30°, mostly clear, wind speed 3.5 meters per second, north-westerly, humidity 80%, pressure 752 millimeters of mercury; in the afternoon +30°, feels like +33°, partly cloudy, wind speed 3.5 meters per second, north-westerly, humidity 49%, pressure 752 millimeters of mercury; in the evening +28°, feels like +28°, clear, wind speed 2.7 meters per second, north-westerly, humidity 51%, pressure 752 millimeters of mercury; in the night +22°, feels like +22°, clear, wind speed 2.4 meters per second, north-westerly, humidity 62%, pressure 754 millimeters of mercury; uv index: 9, very high; magnetic field: unsettled; daytime water temperature +31°; sunrise 5:58 am; sunset 8:33 pm; daylight hours: 14 hr 35 min

18Julytomorrow

Pressure,
mmHg
HumidityWind, m/sFeels like
morning
+23°...+28°
mostly clear
752
80%
3.5
NW
+30°
afternoon
+29°...+31°
partly cloudy
752
49%
3.5
NW
+33°
evening
+25°...+30°
clear
752
51%
2.7
NW
+28°
night
+20°...+24°
clear
754
62%
2.4
NW
+22°
5:58 am
Daylight hours
14 hr 35 min
8:33 pm
Waxing gibbous
UV Index9, very highMagnetic fieldunsettled

Loudoun County. Weather forecast for Friday, 19 July: in the morning air temperature +23°, feels like +24°, clear, wind speed 2.5 meters per second, northerly, humidity 60%, pressure 757 millimeters of mercury; in the afternoon +29°, feels like +31°, clear, wind speed 2.2 meters per second, southerly, humidity 41%, pressure 756 millimeters of mercury; in the evening +27°, feels like +28°, clear, wind speed 2.2 meters per second, south-easterly, humidity 53%, pressure 756 millimeters of mercury; in the night +22°, feels like +24°, light rain, wind speed 1.3 meters per second, southerly, humidity 77%, pressure 756 millimeters of mercury; uv index: 8, very high; magnetic field: quiet; daytime water temperature +30°; sunrise 5:59 am; sunset 8:32 pm; daylight hours: 14 hr 33 min

19JulyFriday

Pressure,
mmHg
HumidityWind, m/sFeels like
morning
+19°...+26°
clear
757
60%
2.5
N
+24°
afternoon
+28°...+30°
clear
756
41%
2.2
S
+31°
evening
+25°...+29°
clear
756
53%
2.2
SE
+28°
night
+21°...+24°
light rain
756
77%
1.3
S
+24°
5:59 am
Daylight hours
14 hr 33 min
8:32 pm
Waxing gibbous
UV Index8, very highMagnetic fieldquiet

Loudoun County. Weather forecast for Saturday, 20 July: in the morning air temperature +24°, feels like +26°, rain, wind speed 3 meters per second, southerly, humidity 82%, pressure 757 millimeters of mercury; in the afternoon +27°, feels like +29°, light rain, wind speed 3.7 meters per second, southerly, humidity 68%, pressure 756 millimeters of mercury; in the evening +24°, feels like +27°, overcast, wind speed 1.8 meters per second, southerly, humidity 83%, pressure 755 millimeters of mercury; in the night +21°, feels like +23°, partly cloudy, wind speed 1.5 meters per second, south-westerly, humidity 91%, pressure 755 millimeters of mercury; uv index: 2, low; daytime water temperature +27°; sunrise 6:00 am; sunset 8:32 pm; daylight hours: 14 hr 32 min

20JulySaturday

Pressure,
mmHg
HumidityWind, m/sFeels like
morning
+22°...+27°
rain
757
82%
3
S
+26°
afternoon
+26°...+27°
light rain
756
68%
3.7
S
+29°
evening
+24°
overcast
755
83%
1.8
S
+27°
night
+21°...+22°
partly cloudy
755
91%
1.5
SW
+23°
6:00 am
Daylight hours
14 hr 32 min
8:32 pm
Waxing gibbous
UV Index2, low

Loudoun County. Weather forecast for Sunday, 21 July: in the morning air temperature +25°, feels like +28°, partly cloudy, wind speed 2 meters per second, north-westerly, humidity 82%, pressure 756 millimeters of mercury; in the afternoon +31°, feels like +33°, partly cloudy, wind speed 2.4 meters per second, north-westerly, humidity 55%, pressure 755 millimeters of mercury; in the evening +27°, feels like +29°, partly cloudy, wind speed 2 meters per second, south-easterly, humidity 65%, pressure 754 millimeters of mercury; in the night +22°, feels like +24°, partly cloudy, wind speed 1.8 meters per second, southerly, humidity 89%, pressure 754 millimeters of mercury; uv index: 1, low; daytime water temperature +31°; sunrise 6:01 am; sunset 8:31 pm; daylight hours: 14 hr 30 min

21JulySunday

Pressure,
mmHg
HumidityWind, m/sFeels like
morning
+23°...+27°
partly cloudy
756
82%
2
NW
+28°
afternoon
+30°...+31°
partly cloudy
755
55%
2.4
NW
+33°
evening
+27°
partly cloudy
754
65%
2
SE
+29°
night
+21°...+24°
partly cloudy
754
89%
1.8
S
+24°
6:01 am
Daylight hours
14 hr 30 min
8:31 pm
Full moon
UV Index1, low

Loudoun County. Weather forecast for Monday, 22 July: in the morning air temperature +27°, feels like +31°, light rain, wind speed 2.2 meters per second, southerly, humidity 78%, pressure 754 millimeters of mercury; in the afternoon +31°, feels like +33°, light rain, wind speed 3 meters per second, southerly, humidity 52%, pressure 753 millimeters of mercury; in the evening +27°, feels like +29°, light rain, wind speed 2.5 meters per second, southerly, humidity 68%, pressure 753 millimeters of mercury; in the night +24°, feels like +27°, light rain, wind speed 2.2 meters per second, southerly, humidity 87%, pressure 754 millimeters of mercury; daytime water temperature +31°; sunrise 6:02 am; sunset 8:30 pm; daylight hours: 14 hr 28 min

22JulyMonday

Pressure,
mmHg
HumidityWind, m/sFeels like
morning
+24°...+29°
light rain
754
78%
2.2
S
+31°
afternoon
+30°...+31°
light rain
753
52%
3
S
+33°
evening
+27°
light rain
753
68%
2.5
S
+29°
night
+23°...+25°
light rain
754
87%
2.2
S
+27°
6:02 am
Daylight hours
14 hr 28 min
8:30 pm
Full moon

Loudoun County. Weather forecast for Tuesday, 23 July: in the morning air temperature +26°, feels like +30°, light rain, wind speed 2 meters per second, south-westerly, humidity 82%, pressure 755 millimeters of mercury; in the afternoon +29°, feels like +32°, light rain, wind speed 2.7 meters per second, southerly, humidity 70%, pressure 755 millimeters of mercury; in the evening +26°, feels like +29°, light rain, wind speed 2 meters per second, south-easterly, humidity 79%, pressure 754 millimeters of mercury; in the night +23°, feels like +26°, light rain, wind speed 1.7 meters per second, easterly, humidity 91%, pressure 755 millimeters of mercury; daytime water temperature +29°; sunrise 6:02 am; sunset 8:29 pm; daylight hours: 14 hr 27 min

23JulyTuesday

Pressure,
mmHg
HumidityWind, m/sFeels like
morning
+24°...+28°
light rain
755
82%
2
SW
+30°
afternoon
+29°
light rain
755
70%
2.7
S
+32°
evening
+26°
light rain
754
79%
2
SE
+29°
night
+22°...+24°
light rain
755
91%
1.7
E
+26°
6:02 am
Daylight hours
14 hr 27 min
8:29 pm
Waning gibbous

Loudoun County. Weather forecast for Wednesday, 24 July: in the morning air temperature +26°, feels like +30°, light rain, wind speed 2.2 meters per second, north-westerly, humidity 85%, pressure 756 millimeters of mercury; in the afternoon +30°, feels like +33°, light rain, wind speed 2.9 meters per second, south-westerly, humidity 68%, pressure 755 millimeters of mercury; in the evening +26°, feels like +30°, light rain, wind speed 2 meters per second, westerly, humidity 83%, pressure 754 millimeters of mercury; in the night +23°, feels like +26°, light rain, wind speed 1.8 meters per second, south-westerly, humidity 91%, pressure 754 millimeters of mercury; daytime water temperature +30°; sunrise 6:03 am; sunset 8:29 pm; daylight hours: 14 hr 26 min

24JulyWednesday

Pressure,
mmHg
HumidityWind, m/sFeels like
morning
+24°...+28°
light rain
756
85%
2.2
NW
+30°
afternoon
+30°
light rain
755
68%
2.9
SW
+33°
evening
+26°
light rain
754
83%
2
W
+30°
night
+23°...+24°
light rain
754
91%
1.8
SW
+26°
6:03 am
Daylight hours
14 hr 26 min
8:29 pm
Waning gibbous

Loudoun County. Weather forecast for Thursday, 25 July: in the morning air temperature +27°, feels like +31°, light rain, wind speed 2.5 meters per second, south-westerly, humidity 81%, pressure 755 millimeters of mercury; in the afternoon +31°, feels like +34°, light rain, wind speed 3.4 meters per second, south-westerly, humidity 62%, pressure 754 millimeters of mercury; in the evening +26°, feels like +29°, light rain, wind speed 2 meters per second, south-westerly, humidity 77%, pressure 754 millimeters of mercury; in the night +23°, feels like +26°, light rain, wind speed 2 meters per second, south-westerly, humidity 89%, pressure 753 millimeters of mercury; daytime water temperature +31°; sunrise 6:04 am; sunset 8:28 pm; daylight hours: 14 hr 24 min

25JulyThursday

Pressure,
mmHg
HumidityWind, m/sFeels like
morning
+24°...+29°
light rain
755
81%
2.5
SW
+31°
afternoon
+30°...+31°
light rain
754
62%
3.4
SW
+34°
evening
+26°
light rain
754
77%
2
SW
+29°
night
+22°...+24°
light rain
753
89%
2
SW
+26°
6:04 am
Daylight hours
14 hr 24 min
8:28 pm
Waning gibbous

Loudoun County. Weather forecast for Friday, 26 July: in the morning air temperature +26°, feels like +28°, light rain, wind speed 2.9 meters per second, westerly, humidity 77%, pressure 754 millimeters of mercury; in the afternoon +30°, feels like +33°, light rain, wind speed 3.2 meters per second, westerly, humidity 64%, pressure 753 millimeters of mercury; in the evening +26°, feels like +30°, light rain, wind speed 1.7 meters per second, south-westerly, humidity 80%, pressure 753 millimeters of mercury; in the night +23°, feels like +26°, light rain, wind speed 1.8 meters per second, westerly, humidity 87%, pressure 753 millimeters of mercury; daytime water temperature +30°; sunrise 6:05 am; sunset 8:27 pm; daylight hours: 14 hr 22 min

26JulyFriday

Pressure,
mmHg
HumidityWind, m/sFeels like
morning
+24°...+28°
light rain
754
77%
2.9
W
+28°
afternoon
+29°...+30°
light rain
753
64%
3.2
W
+33°
evening
+26°
light rain
753
80%
1.7
SW
+30°
night
+22°...+24°
light rain
753
87%
1.8
W
+26°
6:05 am
Daylight hours
14 hr 22 min
8:27 pm
Waning gibbous