Herndon, VA (20192)

8:57 AM EDT on July 22, 2014 (GMT -0400)
Monterey Estates (KVAHERND5) Elev 390 ft | 38.93 °N, 77.40 °W | Change Station

Current weather conditions updated 11 seconds ago

Overcast
Overcast
75.0 °F
Feels Like 74 °F
N
3.5
Wind Variable Wind from SSW
Gusts 3.5 mph

Today is forecast to be nearly the same temperature as yesterday.

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
6:01 AM 8:29 PM
Waning Crescent, 17% visible
Pressure 30.19 in
Visibility 10.0 miles
Clouds Overcast 900 ft
Heat Index 74 °F
Dew Point 72 °F
Humidity 90%
Rainfall 0.00 in
Snow Depth Not available.
UV 1 out of 12
Pollen 4.80 out of 12
Ozone Good
PM2.5 Good
Flu Activity Sporadic
METAR KIAD 221252Z 19006KT 10SM OVC009 23/21 A3020 RMK AO2 SLP224 T02280206

More Conditions Fewer Conditions

Pressure 30.19 in
Visibility 10.0 miles
Clouds Overcast 900 ft
Heat Index 74 °F
Dew Point 72 °F
Humidity 90%
Rainfall 0.00 in
Snow Depth Not available.
UV 1 out of 12
Pollen 4.80 out of 12
Ozone Good
PM2.5 Good
Flu Activity Sporadic
METAR KIAD 221252Z 19006KT 10SM OVC009 23/21 A3020 RMK AO2 SLP224 T02280206

More Conditions Fewer Conditions

10-Day Weather Forecast

LIGHTNING

Thunderstorms are forecast for your area. Cloud conditions might be right for producing strikes in the next few days, though lightning itself cannot be forecasted.

Lightning is a visible electrical discharge produced by a thunderstorm, based on the build up of oppositely charged particles within a cloud and from cloud to ground.

Know how to stay safe in a lightning storm.

Check out these Lightning WunderPhotos!

Almanac

Astronomy

Jul. 22, 2014 Rise Set
Actual Time 6:01 AM EDT 8:29 PM EDT
Civil Twilight 5:31 AM EDT 9:00 PM EDT
Nautical Twilight 4:53 AM EDT 9:37 PM EDT
Astronomical Twilight 4:11 AM EDT 10:19 PM EDT
Moon 2:33 AM EDT 5:05 PM EDT
Length of Visible Light 15h 29m
Length of Day
14h 27m
Tomorrow will be 1m 35s shorter.
Waning Crescent, 17% 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

WunderPhotos

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Nearby

Air Quality

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

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 81.0 °F
Baltimore, MD 82.0 °F
Solomons Island, MD 81.0 °F

Nearby Weather Stations

Station Location Temp. Heat Index Dew Point Humidity Wind Precip. Elev Updated Type
Monterey Estates, Herndon, VA 75.0 °F 74 °F 72 °F 90% SSW  at  3.5 mph 0.00 in / hr 390 ft 8:56 AM EDT Rapid Fire
Folkstone, Oak Hill, VA 73.4 °F - 72 °F 95% East  at  0.0 mph 0.00 in / hr 375 ft 8:53 AM EDT Rapid Fire
Fox Mill, Herndon, VA 73.9 °F 76 °F 35 °F 24% North  at  0.0 mph 0.00 in / hr 383 ft 8:57 AM EDT Normal
Chantilly Highlands, Herndon, VA 75.0 °F 72 °F 75 °F 99% West  at  3.1 mph 0.00 in / hr 340 ft 8:56 AM EDT Rapid Fire
Hawk Ridge Subdivision, Reston, VA 73.2 °F - 72 °F 97% WSW  at  0.0 mph 0.00 in / hr 300 ft 8:50 AM EDT Normal
Dranesville, Herndon, VA 74.1 °F 73 °F 70 °F 87% South  at  0.0 mph 0.00 in / hr 308 ft 8:57 AM EDT Rapid Fire
Colvin Run at Hunter Mill Rd (One Lane B, Vienna, VA 72.9 °F - 71 °F 94% North  at  0.0 mph 0.00 in / hr 295 ft 8:55 AM EDT Normal
Lake Fairfax, Vienna, VA 73.8 °F 71 °F 72 °F 94% NW  at  0.0 mph 0.00 in / hr 275 ft 8:57 AM EDT Rapid Fire
Near Oak Hill Reserve, Herndon, VA 73.4 °F 70 °F 71 °F 93% WSW  at  2.0 mph 0.00 in / hr 371 ft 8:50 AM EDT Normal
Franklin Farm, Herndon, VA 74.8 °F 74 °F 72 °F 90% SE  at  0.0 mph 0.00 in / hr 364 ft 8:56 AM EDT Rapid Fire
Renegade Tower, Herndon, VA 76.1 °F 77 °F 70 °F 80% SSE  at  0.0 mph - / hr 302 ft 8:45 AM EDT Normal
Falls Brook, Herndon, VA 74.0 °F 72 °F 71 °F 91% SSW  at  0.0 mph 0.00 in / hr 280 ft 8:43 AM EDT Normal
Oakton, Oakton, VA 71.5 °F - 70 °F 95% ESE  at  0.0 mph 0.00 in / hr 455 ft 7:21 AM EDT Normal
Hannah Farm, Oakton, VA 75.7 °F 76 °F 72 °F 89% SE  at  1.0 mph 0.00 in / hr 371 ft 8:57 AM EDT Rapid Fire
Lees Corner Road, Chantilly, Chantilly, VA 75.9 °F 75 °F 76 °F 99% NE  at  0.7 mph 0.00 in / hr 308 ft 8:56 AM EDT Rapid Fire
Clarks Crossing, Vienna, VA 74.4 °F 74 °F 70 °F 86% SSE  at  1.0 mph 0.00 in / hr 312 ft 8:55 AM EDT Normal
Trott Ave, Vienna, VA 74.9 °F 73 °F 73 °F 94% West  at  0.0 mph - / hr 415 ft 8:51 AM EDT Normal
Brookfield, Chantilly, VA 75.2 °F 75 °F 70 °F 83% SSE  at  1.6 mph 0.00 in / hr 389 ft 8:56 AM EDT Normal
Great Falls VA, Great Falls, VA 74.4 °F 73 °F 71 °F 88% SW  at  0.0 mph 0.00 in / hr 380 ft 8:55 AM EDT Normal
Beulah-Wolf Trap, Vienna, VA 74.5 °F 74 °F 71 °F 88% SW  at  0.0 mph 0.00 in / hr 430 ft 8:57 AM EDT Normal
Wolf Trap Woods, Vienna, VA 73.8 °F 70 °F 73 °F 97% East  at  0.0 mph 0.00 in / hr 367 ft 8:43 AM EDT Normal
Northeast Vienna, Vienna, VA 74.4 °F 73 °F 71 °F 89% SW  at  0.0 mph 0.00 in / hr 354 ft 8:50 AM EDT Normal
Rosehaven Estates, Fairfax, VA 75.2 °F 76 °F 68 °F 79% ESE  at  0.0 mph 0.00 in / hr 470 ft 8:45 AM EDT Normal
Courtlands at Cascades, Sterling, VA 75.9 °F 77 °F 70 °F 81% SSW  at  2.3 mph 0.00 in / hr 312 ft 8:57 AM EDT Rapid Fire
Vienna Woods, Vienna, VA 76.5 °F 77 °F 73 °F 88% SSE  at  0.0 mph 0.00 in / hr 361 ft 8:56 AM EDT Rapid Fire
Country Creek, Vienna, VA 76.6 °F - - - North  at  - - / hr 371 ft 8:55 AM EDT Normal
Villa D'este, Fairfax, VA 74.9 °F 74 °F 72 °F 91% NNE  at  0.0 mph 0.00 in / hr 354 ft 8:51 AM EDT Normal
Ridings at Blue Springs, Chantilly, VA 73.4 °F 71 °F 71 °F 92% South  at  0.0 mph 0.00 in / hr 303 ft 8:57 AM EDT Normal
Countryside, Sterling, VA 75.9 °F 76 °F 71 °F 85% East  at  0.0 mph 0.00 in / hr 292 ft 8:57 AM EDT Rapid Fire
Weatherscience.net, Potomac Falls, VA 76.1 °F 77 °F 72 °F 87% East  at  0.0 mph 0.00 in / hr 223 ft 8:57 AM EDT Rapid Fire
APRSWXNET Centreville VA , Centreville, VA 74 °F 73 °F 71 °F 89% SSW  at  1 mph 0.00 in / hr 308 ft 8:09 AM EDT MADIS
Centreville Green, Centreville, VA 76.3 °F 77 °F 72 °F 87% SSW  at  0.0 mph 0.00 in / hr 308 ft 8:57 AM EDT Normal
Fairfax City (Dad's Weather Station), Fairfax, VA 74.9 °F 74 °F 71 °F 88% NNE  at  0.0 mph 0.00 in / hr 449 ft 8:57 AM EDT Rapid Fire

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