Dulles, VA (20189)

3:06 AM EDT on August 01, 2014 (GMT -0400)
Countryside (KVASTERL12) Elev 292 ft | 39.04 °N, 77.42 °W | Change Station

Current weather conditions updated 3 seconds ago

Mostly Cloudy
Mostly Cloudy
70.6 °F
Feels Like 70.6 °F
N
0.0
Wind Variable Wind from East
Gusts 0.0 mph

Today is forecast to be Much Cooler than yesterday. Scattered thunderstorms.

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
6:10 AM 8:21 PM
Waxing Crescent, 24% visible
Pressure 30.13 in
Visibility 10.0 miles
Clouds Mostly Cloudy 17000 ft
Dew Point 67 °F
Humidity 87%
Rainfall 0.00 in
Snow Depth Not available.
UV 0 out of 12
Pollen 7.40 out of 12
Ozone Good
PM2.5 Moderate
Flu Activity Not available.
METAR KIAD 010652Z 18004KT 10SM BKN170 22/19 A3014 RMK AO2 SLP202 T02170189

More Conditions Fewer Conditions

Pressure 30.13 in
Visibility 10.0 miles
Clouds Mostly Cloudy 17000 ft
Dew Point 67 °F
Humidity 87%
Rainfall 0.00 in
Snow Depth Not available.
UV 0 out of 12
Pollen 7.40 out of 12
Ozone Good
PM2.5 Moderate
Flu Activity Not available.
METAR KIAD 010652Z 18004KT 10SM BKN170 22/19 A3014 RMK AO2 SLP202 T02170189

More Conditions Fewer Conditions

10-Day Weather Forecast

Almanac

Astronomy

Aug. 01, 2014 Rise Set
Actual Time 6:10 AM EDT 8:21 PM EDT
Civil Twilight 5:40 AM EDT 8:50 PM EDT
Nautical Twilight 5:04 AM EDT 9:27 PM EDT
Astronomical Twilight 4:24 AM EDT 10:06 PM EDT
Moon 11:29 AM EDT 11:07 PM EDT
Length of Visible Light 15h 10m
Length of Day
14h 10m
Tomorrow will be 1m 55s shorter.
Waxing Crescent, 24% of the Moon is Illuminated
Today
Waxing Crescent
Aug 3
First Quarter
Aug 10
Full
Aug 17
Last Quarter
Aug 25
New

Today's Extremes

State Highs State Lows

Community

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Nearby

Air Quality

  Air Quality AQ Index Pollutant
Yesterday Moderate
OZONE
Yesterday Good
PM10
Current Moderate
PM2.5
Current Good
OZONE
Friday Moderate
PM2.5
Friday Good
OZONE
Saturday Good
OZONE
Saturday Good
PM2.5
Sunday Good
OZONE
Sunday Good
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 80.1 °F
Baltimore, MD 80.1 °F
Solomons Island, MD 80.1 °F

Nearby Weather Stations

Station Location Temp. Heat Index Dew Point Humidity Wind Precip. Elev Updated Type
Countryside, Sterling, VA 70.6 °F - 67 °F 87% East  at  0.0 mph 0.00 in / hr 292 ft 3:06 AM EDT Rapid Fire
Courtlands at Cascades, Sterling, VA 73.0 °F 74 °F 66 °F 78% ESE  at  1.1 mph 0.00 in / hr 312 ft 3:06 AM EDT Rapid Fire
One Loudoun, Ashburn, VA 72.0 °F 71 °F 67 °F 84% SW  at  3.0 mph - / hr 236 ft 2:59 AM EDT Normal
Ashburn Village 1, Ashburn, VA 70.9 °F - 66 °F 86% North  at  0.0 mph 0.00 in / hr 279 ft 3:06 AM EDT Rapid Fire
Weatherscience.net, Potomac Falls, VA 68.9 °F - 65 °F 88% NE  at  0.0 mph 0.00 in / hr 223 ft 3:06 AM EDT Rapid Fire
Dranesville, Herndon, VA 71.2 °F 71 °F 66 °F 83% SSE  at  0.0 mph 0.00 in / hr 308 ft 3:05 AM EDT Rapid Fire
Falls Brook, Herndon, VA 70.3 °F - 67 °F 88% SSE  at  0.0 mph 0.00 in / hr 280 ft 2:55 AM EDT Normal
Shaker Woods, Herndon, VA 72.0 °F 72 °F 64 °F 81% North  at  - - / hr 315 ft 3:05 AM EDT Normal
Renegade Tower, Herndon, VA 69.1 °F - 64 °F 84% ESE  at  1.7 mph - / hr 302 ft 3:00 AM EDT Normal
Belmont Country Club, Ashburn, VA 70.2 °F - 66 °F 87% South  at  0.0 mph 0.00 in / hr 302 ft 3:06 AM EDT Rapid Fire
Ashburn Farm, Ashburn, VA 69.2 °F - 66 °F 88% SE  at  0.0 mph 0.00 in / hr 331 ft 3:06 AM EDT Rapid Fire
Brambleton, Brambleton, VA 70.9 °F - 67 °F 87% ENE  at  0.0 mph 0.00 in / hr 310 ft 3:06 AM EDT Rapid Fire
Brambleton, Ashburn, VA 69.8 °F - 64 °F 81% SSE  at  0.0 mph - / hr 341 ft 2:55 AM EDT Normal
Brambleton, Ashburn, VA 67.8 °F - 67 °F 97% West  at  0.0 mph - / hr 358 ft 2:56 AM EDT Normal
Monroe Manor, Herndon, VA 72.3 °F 72 °F 66 °F 81% SE  at  0.0 mph - / hr 384 ft 3:06 AM EDT Rapid Fire
Monterey Estates, Herndon, VA 71.8 °F 70 °F 68 °F 87% SSE  at  1.2 mph 0.00 in / hr 390 ft 3:06 AM EDT Rapid Fire
Chantilly Highlands, Herndon, VA 71.2 °F - 69 °F 93% South  at  3.1 mph 0.00 in / hr 340 ft 3:06 AM EDT Rapid Fire
Great Falls VA, Great Falls, VA 68.4 °F - 65 °F 89% SSW  at  0.0 mph 0.00 in / hr 380 ft 3:06 AM EDT Normal
Kincaid Forest, Leesburg, VA 67.0 °F - 65 °F 93% NNW  at  0.0 mph 0.00 in / hr 294 ft 3:04 AM EDT Normal
River Creek, Leesburg, VA 68.0 °F - 63 °F 84% ESE  at  0.0 mph - / hr 272 ft 2:56 AM EDT Normal
Ridings at Blue Springs, Chantilly, VA 69.0 °F - 66 °F 90% South  at  0.0 mph 0.00 in / hr 303 ft 3:06 AM EDT Rapid Fire
Franklin Farm, Herndon, VA 70.5 °F - 67 °F 88% ESE  at  0.0 mph 0.00 in / hr 364 ft 3:05 AM EDT Rapid Fire
Colvin Run at Hunter Mill Rd (One Lane B, Vienna, VA 66.4 °F - 64 °F 93% WSW  at  0.0 mph 0.00 in / hr 295 ft 3:05 AM EDT Normal
Cedar Cove Cluster, Reston, VA 71.2 °F 71 °F 66 °F 83% SE  at  0.0 mph 0.00 in / hr 350 ft 3:06 AM EDT Rapid Fire
Lake Fairfax, Vienna, VA 66.4 °F - 64 °F 92% SE  at  0.0 mph 0.00 in / hr 275 ft 3:06 AM EDT Rapid Fire
Lakes at Red Rock, Leesburg, VA 65.9 °F - 64 °F 92% North  at  0.0 mph 0.00 in / hr 285 ft 3:05 AM EDT Normal
Near Oak Hill Reserve, Herndon, VA 70.5 °F - 67 °F 90% WNW  at  0.0 mph 0.00 in / hr 371 ft 3:00 AM EDT Normal
Folkstone, Oak Hill, VA 70.7 °F - 67 °F 88% SSE  at  0.0 mph 0.00 in / hr 375 ft 12:06 AM EDT Rapid Fire
Lees Corner Road, Chantilly, Chantilly, VA 71.2 °F - 71 °F 98% South  at  0.0 mph 0.00 in / hr 308 ft 3:05 AM EDT Rapid Fire
Falcon Ridge, Great Falls, VA 67.2 °F - 65 °F 94% West  at  0.0 mph 0.00 in / hr 275 ft 3:00 AM EDT Normal
Fox Mill, Herndon, VA 70.3 °F 76 °F 38 °F 31% WNW  at  0.0 mph 0.00 in / hr 383 ft 3:06 AM EDT Rapid Fire
Big Woods, Leesburg, VA 67.3 °F - 55 °F 64% East  at  0.0 mph 0.00 in / hr 489 ft 3:06 AM EDT Rapid Fire
Hawk Ridge Subdivision, Reston, VA 67.3 °F - 66 °F 96% South  at  0.0 mph 0.00 in / hr 300 ft 3:00 AM EDT Normal

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