Dulles, VA (20189)

7:54 PM EDT on August 01, 2014 (GMT -0400)
Countryside (KVASTERL12) Elev 292 ft | 39.04 °N, 77.42 °W | Change Station

Current weather conditions updated 1 second ago

Overcast
Overcast
75.2 °F
Feels Like 77 °F
N
0.0
Wind Variable Wind from ENE
Gusts 5.0 mph

Tomorrow is forecast to be Warmer than today. Thunderstorms developing late tomorrow night.

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
6:10 AM 8:21 PM
Waxing Crescent, 30% visible
Pressure 30.15 in
Visibility 10.0 miles
Clouds Scattered Clouds 3200 ft
Mostly Cloudy 13000 ft
Overcast 18000 ft
Heat Index 77 °F
Dew Point 65 °F
Humidity 71%
Rainfall 0.00 in
Snow Depth Not available.
UV 0 out of 12
Pollen 6.20 out of 12
Ozone Good
PM2.5 Moderate
Flu Activity Not available.
METAR KIAD 012252Z 16003KT 10SM SCT032TCU BKN130 OVC180 23/17 A3016 RMK AO2 SLP210 TCU VC SE-S T02330167

More Conditions Fewer Conditions

Pressure 30.15 in
Visibility 10.0 miles
Clouds Scattered Clouds 3200 ft
Mostly Cloudy 13000 ft
Overcast 18000 ft
Heat Index 77 °F
Dew Point 65 °F
Humidity 71%
Rainfall 0.00 in
Snow Depth Not available.
UV 0 out of 12
Pollen 6.20 out of 12
Ozone Good
PM2.5 Moderate
Flu Activity Not available.
METAR KIAD 012252Z 16003KT 10SM SCT032TCU BKN130 OVC180 23/17 A3016 RMK AO2 SLP210 TCU VC SE-S T02330167

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, 30% 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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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
PM2.5
Saturday Good
OZONE
Sunday Good
OZONE
Sunday Good
PM2.5
Monday Moderate
OZONE
Monday 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 80.1 °F
Baltimore, MD 81.0 °F
Solomons Island, MD 79.0 °F

Nearby Weather Stations

Station Location Temp. Heat Index Dew Point Humidity Wind Precip. Elev Updated Type
Countryside, Sterling, VA 75.2 °F 77 °F 65 °F 71% ENE  at  0.0 mph 0.00 in / hr 292 ft 7:54 PM EDT Rapid Fire
Courtlands at Cascades, Sterling, VA 75.6 °F 77 °F 64 °F 67% ESE  at  2.3 mph 0.00 in / hr 312 ft 7:54 PM EDT Rapid Fire
One Loudoun, Ashburn, VA 76.3 °F 78 °F 66 °F 71% SSE  at  4.0 mph - / hr 236 ft 7:46 PM EDT Normal
Ashburn Village 1, Ashburn, VA 76.1 °F 78 °F 66 °F 71% East  at  2.0 mph 0.00 in / hr 279 ft 7:54 PM EDT Rapid Fire
Weatherscience.net, Potomac Falls, VA 74.5 °F 76 °F 66 °F 75% ENE  at  0.0 mph 0.00 in / hr 223 ft 7:54 PM EDT Rapid Fire
Dranesville, Herndon, VA 73.6 °F 76 °F 61 °F 65% South  at  0.0 mph 0.00 in / hr 308 ft 7:54 PM EDT Rapid Fire
Falls Brook, Herndon, VA 73.1 °F 74 °F 66 °F 77% SSW  at  0.0 mph 0.00 in / hr 280 ft 7:42 PM EDT Normal
Shaker Woods, Herndon, VA 74.3 °F 75 °F 64 °F 75% North  at  - - / hr 315 ft 7:50 PM EDT Normal
Renegade Tower, Herndon, VA 74.1 °F 76 °F 62 °F 67% ESE  at  3.7 mph - / hr 302 ft 7:47 PM EDT Normal
Belmont Country Club, Ashburn, VA 75.5 °F 77 °F 66 °F 73% SSW  at  1.4 mph 0.00 in / hr 302 ft 7:54 PM EDT Rapid Fire
Ashburn Farm, Ashburn, VA 74.4 °F 76 °F 66 °F 74% SW  at  0.0 mph 0.00 in / hr 331 ft 7:54 PM EDT Rapid Fire
Brambleton, Brambleton, VA 75.3 °F 77 °F 66 °F 72% East  at  0.0 mph 0.00 in / hr 310 ft 7:54 PM EDT Rapid Fire
Brambleton, Ashburn, VA 74.3 °F 76 °F 63 °F 67% South  at  5.3 mph - / hr 341 ft 7:40 PM EDT Normal
Brambleton, Ashburn, VA 74.7 °F 76 °F 67 °F 77% NE  at  1.1 mph - / hr 358 ft 7:44 PM EDT Normal
Monroe Manor, Herndon, VA 73.9 °F 76 °F 61 °F 64% SE  at  0.0 mph - / hr 384 ft 7:54 PM EDT Rapid Fire
Monterey Estates, Herndon, VA 74.0 °F 76 °F 63 °F 69% SE  at  2.3 mph 0.00 in / hr 390 ft 7:54 PM EDT Rapid Fire
Chantilly Highlands, Herndon, VA 73.2 °F 75 °F 64 °F 72% SE  at  2.2 mph 0.00 in / hr 340 ft 7:54 PM EDT Rapid Fire
Great Falls VA, Great Falls, VA 72.4 °F 73 °F 66 °F 79% SSW  at  0.0 mph 0.00 in / hr 380 ft 7:50 PM EDT Normal
Kincaid Forest, Leesburg, VA 76.2 °F 77 °F 70 °F 82% South  at  0.0 mph 0.00 in / hr 294 ft 7:54 PM EDT Normal
River Creek, Leesburg, VA 75.6 °F 77 °F 63 °F 66% WNW  at  0.0 mph - / hr 272 ft 7:43 PM EDT Normal
Ridings at Blue Springs, Chantilly, VA 74.0 °F 75 °F 65 °F 73% South  at  2.0 mph 0.00 in / hr 303 ft 7:54 PM EDT Rapid Fire
Franklin Farm, Herndon, VA 72.9 °F 75 °F 63 °F 71% SE  at  0.0 mph 0.00 in / hr 364 ft 7:54 PM EDT Rapid Fire
Colvin Run at Hunter Mill Rd (One Lane B, Vienna, VA 72.9 °F 73 °F 66 °F 80% SW  at  0.0 mph 0.00 in / hr 295 ft 7:50 PM EDT Normal
Cedar Cove Cluster, Reston, VA 73.2 °F 75 °F 64 °F 73% SE  at  0.0 mph 0.00 in / hr 350 ft 7:54 PM EDT Rapid Fire
Lake Fairfax, Vienna, VA 72.4 °F 72 °F 66 °F 81% West  at  0.0 mph 0.00 in / hr 275 ft 7:54 PM EDT Rapid Fire
Lakes at Red Rock, Leesburg, VA 74.5 °F 75 °F 67 °F 77% NW  at  0.0 mph 0.00 in / hr 285 ft 7:51 PM EDT Normal
Near Oak Hill Reserve, Herndon, VA 71.9 °F 74 °F 63 °F 74% North  at  0.0 mph 0.00 in / hr 371 ft 7:50 PM EDT Normal
Folkstone, Oak Hill, VA 71.8 °F 72 °F 65 °F 79% WNW  at  0.0 mph 0.00 in / hr 375 ft 7:49 PM EDT Rapid Fire
Lees Corner Road, Chantilly, Chantilly, VA 73.0 °F 73 °F 67 °F 80% SE  at  0.0 mph 0.00 in / hr 308 ft 7:53 PM EDT Rapid Fire
Falcon Ridge, Great Falls, VA 73.9 °F 73 °F 69 °F 84% WSW  at  0.0 mph 0.00 in / hr 275 ft 7:30 PM EDT Normal
Fox Mill, Herndon, VA 72.3 °F 76 °F 58 °F 60% ENE  at  0.0 mph 0.00 in / hr 383 ft 7:54 PM EDT Rapid Fire
Big Woods, Leesburg, VA 71.6 °F 75 °F 60 °F 68% South  at  0.0 mph 0.00 in / hr 489 ft 7:54 PM EDT Rapid Fire
Hawk Ridge Subdivision, Reston, VA 71.5 °F 71 °F 66 °F 83% SSE  at  0.0 mph 0.00 in / hr 300 ft 7:50 PM EDT Normal

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