Dulles, VA (20189)

11:38 PM EDT on July 23, 2014 (GMT -0400)
Countryside (KVASTERL12) Elev 292 ft | 39.04 °N, 77.42 °W | Change Station

Current weather conditions updated 2 seconds ago

Partly Cloudy
Partly Cloudy
72.4 °F
Feels Like 72.4 °F
N
0.0
Wind Variable Wind from SW
Gusts 0.0 mph

Tomorrow is forecast to be Much Cooler than today. Chance of showers.

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
6:02 AM 8:29 PM
Waning Crescent, 7% visible
Pressure 29.86 in
Visibility 10.0 miles
Clouds Few 10000 ft
Scattered Clouds 20000 ft
Dew Point 71 °F
Humidity 96%
Rainfall 0.07 in
Snow Depth Not available.
UV 0 out of 12
Pollen 5.60 out of 12
Ozone Good
PM2.5 Moderate
Flu Activity Not available.
METAR KIAD 240252Z 32006KT 10SM FEW100 SCT200 24/20 A2987 RMK AO2 SLP110 LTG DSNT E 60000 T02440200 51000

More Conditions Fewer Conditions

Pressure 29.86 in
Visibility 10.0 miles
Clouds Few 10000 ft
Scattered Clouds 20000 ft
Dew Point 71 °F
Humidity 96%
Rainfall 0.07 in
Snow Depth Not available.
UV 0 out of 12
Pollen 5.60 out of 12
Ozone Good
PM2.5 Moderate
Flu Activity Not available.
METAR KIAD 240252Z 32006KT 10SM FEW100 SCT200 24/20 A2987 RMK AO2 SLP110 LTG DSNT E 60000 T02440200 51000

More Conditions Fewer Conditions

10-Day Weather Forecast

Almanac

Astronomy

Jul. 23, 2014 Rise Set
Actual Time 6:02 AM EDT 8:29 PM EDT
Civil Twilight 5:32 AM EDT 8:59 PM EDT
Nautical Twilight 4:54 AM EDT 9:37 PM EDT
Astronomical Twilight 4:12 AM EDT 10:19 PM EDT
Moon 3:19 AM EDT (7/23) 5:56 PM EDT (7/23)
Length of Visible Light 15h 27m
Length of Day
14h 26m
Tomorrow will be 1m 37s shorter.
Waning Crescent, 7% of the Moon is Illuminated
Today
Waning Crescent
Jul 26
New
Aug 3
First Quarter
Aug 10
Full
Aug 17
Last Quarter

Today's Extremes

State Highs State Lows

Community

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Air Quality

  Air Quality AQ Index Pollutant
Yesterday Good
OZONE
Yesterday Good
PM10
Current Moderate
PM2.5
Current Good
OZONE
Wednesday Moderate
OZONE
Wednesday Moderate
PM2.5
Thursday Good
OZONE
Thursday Good
PM2.5
Friday Moderate
OZONE
Friday Good
PM2.5
Saturday Moderate
OZONE
Saturday Moderate
PM2.5

Snow Depth

Station Depth Elevation
No new snow has been reported.

Earthquake Activity

City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature
Washington, DC 82.9 °F
Baltimore, MD 84.0 °F
Solomons Island, MD 82.0 °F

Nearby Weather Stations

Station Location Temp. Heat Index Dew Point Humidity Wind Precip. Elev Updated Type
Countryside, Sterling, VA 72.4 °F - 71 °F 96% SW  at  0.0 mph 0.00 in / hr 292 ft 11:38 PM EDT Rapid Fire
Courtlands at Cascades, Sterling, VA 73.8 °F 73 °F 70 °F 87% NNW  at  2.3 mph 0.00 in / hr 312 ft 11:38 PM EDT Rapid Fire
One Loudoun, Ashburn, VA 74.6 °F 73 °F 72 °F 91% West  at  0.0 mph - / hr 236 ft 11:23 PM EDT Normal
Ashburn Village 1, Ashburn, VA 74.0 °F 72 °F 72 °F 92% North  at  0.0 mph 0.00 in / hr 279 ft 11:38 PM EDT Rapid Fire
Weatherscience.net, Potomac Falls, VA 71.6 °F - 70 °F 94% NNW  at  0.0 mph 0.00 in / hr 223 ft 11:38 PM EDT Rapid Fire
Dranesville, Herndon, VA 72.7 °F - 70 °F 93% WNW  at  0.0 mph 0.00 in / hr 308 ft 11:37 PM EDT Rapid Fire
Falls Brook, Herndon, VA 71.8 °F - 71 °F 97% West  at  0.0 mph 0.00 in / hr 280 ft 11:33 PM EDT Normal
Renegade Tower, Herndon, VA 72.5 °F - 70 °F 91% ENE  at  0.0 mph - / hr 302 ft 11:29 PM EDT Normal
Belmont Country Club, Ashburn, VA 72.6 °F - 71 °F 95% North  at  0.0 mph 0.00 in / hr 302 ft 11:38 PM EDT Rapid Fire
Ashburn Farm, Ashburn, VA 73.2 °F 70 °F 71 °F 92% West  at  0.0 mph 0.00 in / hr 331 ft 11:38 PM EDT Rapid Fire
Brambleton, Brambleton, VA 75.8 °F 76 °F 71 °F 85% North  at  0.0 mph 0.00 in / hr 310 ft 11:37 PM EDT Rapid Fire
Brambleton, Ashburn, VA 75.2 °F 76 °F 68 °F 78% WNW  at  5.8 mph - / hr 341 ft 11:34 PM EDT Normal
Brambleton, Ashburn, VA 73.0 °F - 72 °F 96% WSW  at  0.0 mph - / hr 358 ft 11:36 PM EDT Normal
Monroe Manor, Herndon, VA 78.3 °F 81 °F 69 °F 73% West  at  0.0 mph - / hr 384 ft 11:37 PM EDT Rapid Fire
Monterey Estates, Herndon, VA 76.7 °F 78 °F 71 °F 82% WSW  at  0.0 mph 0.00 in / hr 390 ft 11:38 PM EDT Rapid Fire
Chantilly Highlands, Herndon, VA 74.8 °F 73 °F 73 °F 93% South  at  1.6 mph 0.00 in / hr 340 ft 11:38 PM EDT Rapid Fire
Great Falls VA, Great Falls, VA 71.9 °F - 70 °F 93% West  at  0.0 mph 0.00 in / hr 380 ft 11:35 PM EDT Normal
Kincaid Forest, Leesburg, VA 72.5 °F - 72 °F 98% South  at  0.0 mph 0.00 in / hr 294 ft 11:34 PM EDT Normal
River Creek, Leesburg, VA 72.1 °F - 69 °F 90% ESE  at  1.1 mph - / hr 272 ft 11:29 PM EDT Normal
Ridings at Blue Springs, Chantilly, VA 75.2 °F 75 °F 70 °F 85% North  at  0.0 mph 0.00 in / hr 303 ft 11:37 PM EDT Rapid Fire
Franklin Farm, Herndon, VA 75.2 °F 75 °F 70 °F 85% ESE  at  0.0 mph 0.00 in / hr 364 ft 11:37 PM EDT Rapid Fire
Colvin Run at Hunter Mill Rd (One Lane B, Vienna, VA 72.9 °F - 71 °F 93% NW  at  0.0 mph 0.00 in / hr 295 ft 11:35 PM EDT Normal
Cedar Cove Cluster, Reston, VA 76.6 °F 78 °F 70 °F 81% NNE  at  0.0 mph 0.00 in / hr 350 ft 11:37 PM EDT Rapid Fire
Lake Fairfax, Vienna, VA 73.2 °F - 71 °F 94% East  at  0.0 mph 0.00 in / hr 275 ft 11:38 PM EDT Rapid Fire
Lakes at Red Rock, Leesburg, VA 72.4 °F - 70 °F 91% North  at  0.0 mph 0.00 in / hr 285 ft 10:19 PM EDT Normal
Near Oak Hill Reserve, Herndon, VA 73.9 °F 72 °F 70 °F 89% SSW  at  0.0 mph 0.00 in / hr 371 ft 11:29 PM EDT Normal
Folkstone, Oak Hill, VA 76.1 °F 76 °F 73 °F 89% West  at  0.0 mph 0.00 in / hr 375 ft 10:03 PM EDT Rapid Fire
Lees Corner Road, Chantilly, Chantilly, VA 75.0 °F 73 °F 74 °F 96% SE  at  0.0 mph 0.00 in / hr 308 ft 11:37 PM EDT Rapid Fire
Falcon Ridge, Great Falls, VA 72.4 °F - 71 °F 96% SE  at  0.0 mph 0.00 in / hr 275 ft 11:30 PM EDT Normal
Fox Mill, Herndon, VA 76.3 °F 78 °F 51 °F 41% NNW  at  0.0 mph 0.00 in / hr 383 ft 11:38 PM EDT Rapid Fire
Big Woods, Leesburg, VA 71.2 °F 77 °F 51 °F 49% NNW  at  0.0 mph 0.00 in / hr 489 ft 11:38 PM EDT Rapid Fire
Hawk Ridge Subdivision, Reston, VA 73.9 °F 72 °F 71 °F 91% NNE  at  0.0 mph 0.00 in / hr 300 ft 11:30 PM EDT Normal
Brookfield, Chantilly, VA 75.9 °F 77 °F 66 °F 72% NNE  at  0.0 mph 0.00 in / hr 389 ft 11:38 PM EDT Normal

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