Herndon, VA (20171)

3:50 AM EDT on July 13, 2014 (GMT -0400)
Chantilly Highlands (KVAHERND9) Elev 340 ft | 38.92 °N, 77.40 °W | Change Station

Current weather conditions updated 1 second ago

Mostly Cloudy
Mostly Cloudy
74.1 °F
Feels Like 71 °F
N
4.5
Wind Variable Wind from SW
Gusts 8.3 mph

Today is forecast to be Warmer than yesterday. Showers and thunderstorms late tonight.

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
5:55 AM 8:35 PM
Full, 99% visible
Pressure 30.08 in
Visibility 10.0 miles
Clouds Mostly Cloudy 9500 ft
Mostly Cloudy 25000 ft
Heat Index 71 °F
Dew Point 73 °F
Humidity 95%
Rainfall 0.00 in
Snow Depth Not available.
UV 0 out of 12
Pollen 3.90 out of 12
Ozone Good
PM2.5 Good
Flu Activity Sporadic
METAR KIAD 130652Z 18005KT 10SM BKN095 BKN250 22/20 A3009 RMK AO2 SLP184 T02220200

More Conditions Fewer Conditions

Pressure 30.08 in
Visibility 10.0 miles
Clouds Mostly Cloudy 9500 ft
Mostly Cloudy 25000 ft
Heat Index 71 °F
Dew Point 73 °F
Humidity 95%
Rainfall 0.00 in
Snow Depth Not available.
UV 0 out of 12
Pollen 3.90 out of 12
Ozone Good
PM2.5 Good
Flu Activity Sporadic
METAR KIAD 130652Z 18005KT 10SM BKN095 BKN250 22/20 A3009 RMK AO2 SLP184 T02220200

More Conditions Fewer Conditions

10-Day Weather Forecast

Almanac

Astronomy

Jul. 13, 2014 Rise Set
Actual Time 5:55 AM EDT 8:35 PM EDT
Civil Twilight 5:23 AM EDT 9:06 PM EDT
Nautical Twilight 4:44 AM EDT 9:45 PM EDT
Astronomical Twilight 4:00 AM EDT 10:29 PM EDT
Moon 9:23 PM EDT 7:21 AM EDT
Length of Visible Light 15h 42m
Length of Day
14h 40m
Tomorrow will be 1m 14s shorter.
Full, 99% of the Moon is Illuminated
Today
Full
Jul 18
Last Quarter
Jul 26
New
Aug 3
First Quarter
Aug 10
Full

Today's Extremes

State Highs State Lows

Community

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Nearby

Air Quality

  Air Quality AQ Index Pollutant
Yesterday Good
PM10
Yesterday Good
OZONE
Current Good
PM2.5
Current Good
OZONE
Sunday Moderate
OZONE
Sunday Moderate
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 82.9 °F
Baltimore, MD 82.9 °F
Solomons Island, MD 81.0 °F

Nearby Weather Stations

Station Location Temp. Heat Index Dew Point Humidity Wind Precip. Elev Updated Type
Chantilly Highlands, Herndon, VA 74.1 °F 71 °F 73 °F 95% SW  at  4.5 mph 0.00 in / hr 340 ft 3:50 AM EDT Rapid Fire
Monterey Estates, Herndon, VA 73.9 °F 72 °F 70 °F 89% South  at  2.0 mph 0.00 in / hr 390 ft 3:50 AM EDT Rapid Fire
Franklin Farm, Herndon, VA 73.2 °F 71 °F 70 °F 89% ESE  at  0.0 mph 0.00 in / hr 364 ft 3:49 AM EDT Rapid Fire
Near Oak Hill Reserve, Herndon, VA 73.2 °F 71 °F 70 °F 90% NE  at  1.0 mph 0.00 in / hr 371 ft 3:49 AM EDT Normal
Lees Corner Road, Chantilly, Chantilly, VA 73.9 °F 70 °F 73 °F 98% East  at  0.0 mph 0.00 in / hr 308 ft 3:49 AM EDT Rapid Fire
Fox Mill, Herndon, VA 75.4 °F 77 °F 37 °F 25% WNW  at  0.0 mph 0.00 in / hr 383 ft 3:50 AM EDT Rapid Fire
Brookfield, Chantilly, VA 73.2 °F 72 °F 68 °F 85% South  at  2.2 mph 0.00 in / hr 389 ft 3:50 AM EDT Normal
VADOT Dulles_Toll_Rd_W_MP25, Chantilly, VA 74 °F 74 °F 69 °F 82% SSE  at  2 mph 0.00 in / hr 406 ft 2:59 AM EDT MADIS
Oakton, Oakton, VA 73.8 °F 72 °F 70 °F 88% North  at  - 0.00 in / hr 455 ft 1:40 AM EDT Normal
Cedar Cove Cluster, Reston, VA 74.5 °F 74 °F 69 °F 84% SSE  at  1.8 mph 0.00 in / hr 350 ft 3:50 AM EDT Rapid Fire
Fair Lakes / AJ4YI, Fairfax, VA 73.8 °F 72 °F 71 °F 90% SSE  at  1.5 mph 0.00 in / hr 420 ft 3:50 AM EDT Rapid Fire
Ridings at Blue Springs, Chantilly, VA 73.2 °F 71 °F 70 °F 89% South  at  0.0 mph 0.00 in / hr 303 ft 3:49 AM EDT Rapid Fire
Hawk Ridge Subdivision, Reston, VA 72.1 °F - 69 °F 91% WSW  at  0.0 mph 0.00 in / hr 300 ft 3:40 AM EDT Normal
Dranesville, Herndon, VA 73.9 °F 74 °F 68 °F 82% NNW  at  4.9 mph 0.00 in / hr 308 ft 3:50 AM EDT Rapid Fire
Hannah Farm, Oakton, VA 76.5 °F 78 °F 71 °F 84% SE  at  2.0 mph 0.00 in / hr 371 ft 12:04 AM EDT Rapid Fire
Renegade Tower, Herndon, VA 74.3 °F 75 °F 67 °F 78% SW  at  4.2 mph - / hr 302 ft 3:43 AM EDT Normal
Falls Brook, Herndon, VA 73.4 °F 72 °F 70 °F 88% SSW  at  0.0 mph 0.00 in / hr 280 ft 3:50 AM EDT Normal
Colvin Run at Hunter Mill Rd (One Lane B, Vienna, VA 73.7 °F 73 °F 70 °F 87% South  at  0.0 mph 0.00 in / hr 295 ft 3:50 AM EDT Normal
Lake Fairfax, Vienna, VA 74.3 °F 74 °F 70 °F 86% ESE  at  2.0 mph 0.00 in / hr 275 ft 3:50 AM EDT Rapid Fire
Rosehaven Estates, Fairfax, VA 73.9 °F 74 °F 67 °F 79% SW  at  0.0 mph 0.00 in / hr 470 ft 3:35 AM EDT Normal
Centreville Green, Centreville, VA 73.0 °F 71 °F 70 °F 90% SSW  at  0.0 mph 0.00 in / hr 308 ft 3:50 AM EDT Rapid Fire
Country Club Manor, Centreville, VA 71.6 °F 70 °F 67 °F 86% West  at  0.0 mph - / hr 233 ft 3:46 AM EDT Normal
CENTREweather, Centreville, VA 73.8 °F 73 °F 70 °F 87% SSE  at  0.0 mph 0.00 in / hr 262 ft 3:50 AM EDT Rapid Fire
Clarks Crossing, Vienna, VA 73.5 °F 73 °F 68 °F 83% SSE  at  0.0 mph 0.00 in / hr 312 ft 3:50 AM EDT Normal
Virginia Run, Centreville, VA 72.1 °F - 70 °F 92% SSW  at  0.0 mph 0.00 in / hr 269 ft 3:50 AM EDT Rapid Fire
Villa D'este, Fairfax, VA 73.7 °F 72 °F 71 °F 90% North  at  0.0 mph 0.00 in / hr 354 ft 3:46 AM EDT Normal
Beulah-Wolf Trap, Vienna, VA 73.6 °F 72 °F 69 °F 87% East  at  1.0 mph 0.00 in / hr 430 ft 3:46 AM EDT Normal
Brambleton, Ashburn, VA 76.3 °F 77 °F 72 °F 87% South  at  0.0 mph - / hr 318 ft 12:22 AM EDT Rapid Fire
Nova Centre Ridge, Centreville, VA 73.0 °F - 72 °F 97% South  at  2.0 mph 0.00 in / hr 297 ft 3:50 AM EDT Rapid Fire
Northeast Vienna, Vienna, VA 73.6 °F 72 °F 70 °F 87% ENE  at  0.0 mph 0.00 in / hr 354 ft 3:42 AM EDT Normal
Courtlands at Cascades, Sterling, VA 74.8 °F 75 °F 69 °F 81% ENE  at  3.5 mph 0.00 in / hr 312 ft 3:50 AM EDT Rapid Fire
Little Rocky Run, Clifton, VA 73.2 °F 71 °F 70 °F 91% West  at  1.6 mph 0.00 in / hr 302 ft 3:50 AM EDT Rapid Fire

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