Merrifield, VA (22116)

9:00 PM EDT on July 31, 2014 (GMT -0400)
Mantua (KVAFAIRF25) Elev 335 ft | 38.86 °N, 77.26 °W | Change Station

Current weather conditions updated 3 seconds ago

Clear
Clear
77.2 °F
Feels Like 79 °F
N
0.0
Wind Variable Wind from SSW
Gusts 0.0 mph

Tomorrow is forecast to be Cooler than today. Slight chance of a thunderstorm.

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
6:09 AM 8:21 PM
Waxing Crescent, 22% visible
Pressure 30.13 in
Visibility 10.0 miles
Clouds Clear
Heat Index 79 °F
Dew Point 67 °F
Humidity 70%
Rainfall 0.00 in
Snow Depth Not available.
UV 0 out of 12
Pollen 7.90 out of 12
Ozone Good
PM2.5 Moderate
Flu Activity Not available.
METAR KDAA 010058Z AUTO 12002KT 10SM CLR 24/19 A3012 RMK AO2 SLP202 T02400189

More Conditions Fewer Conditions

Pressure 30.13 in
Visibility 10.0 miles
Clouds Clear
Heat Index 79 °F
Dew Point 67 °F
Humidity 70%
Rainfall 0.00 in
Snow Depth Not available.
UV 0 out of 12
Pollen 7.90 out of 12
Ozone Good
PM2.5 Moderate
Flu Activity Not available.
METAR KDAA 010058Z AUTO 12002KT 10SM CLR 24/19 A3012 RMK AO2 SLP202 T02400189

More Conditions Fewer Conditions

10-Day Weather Forecast

Almanac

Astronomy

Jul. 31, 2014 Rise Set
Actual Time 6:09 AM EDT 8:21 PM EDT
Civil Twilight 5:39 AM EDT 8:50 PM EDT
Nautical Twilight 5:02 AM EDT 9:27 PM EDT
Astronomical Twilight 4:22 AM EDT 10:06 PM EDT
Moon 10:31 AM EDT (7/31) 10:36 PM EDT (7/31)
Length of Visible Light 15h 11m
Length of Day
14h 11m
Tomorrow will be 1m 52s shorter.
Waxing Crescent, 22% 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 Good
PM10
Yesterday Good
OZONE
Current Moderate
PM2.5
Current Good
OZONE
Thursday Moderate
OZONE
Thursday Good
PM2.5
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
Mantua, Fairfax, VA 77.2 °F 79 °F 67 °F 70% SSW  at  0.0 mph 0.00 in / hr 335 ft 9:00 PM EDT Rapid Fire
Country Creek, Vienna, VA 79.0 °F 81 °F 67 °F 67% North  at  - - / hr 371 ft 9:00 PM EDT Normal
Villa D'este, Fairfax, VA 77.6 °F 79 °F 67 °F 69% SE  at  1.0 mph 0.00 in / hr 354 ft 8:56 PM EDT Normal
Fairfax City (Dad's Weather Station), Fairfax, VA 77.3 °F 79 °F 66 °F 67% NNW  at  0.0 mph 0.00 in / hr 449 ft 9:00 PM EDT Rapid Fire
Vienna Woods, Vienna, VA 77.5 °F 79 °F 67 °F 70% SE  at  1.6 mph 0.00 in / hr 361 ft 8:59 PM EDT Rapid Fire
Rosehaven Estates, Fairfax, VA 76.7 °F 79 °F 63 °F 62% SSW  at  0.0 mph 0.00 in / hr 470 ft 8:56 PM EDT Normal
Backyard Weather, Falls Church, VA 78.9 °F 81 °F 65 °F 63% ESE  at  0.0 mph 0.00 in / hr 334 ft 8:47 PM EDT Normal
Canterbury Woods, Annandale, VA 76.1 °F 78 °F 65 °F 69% NNW  at  0.0 mph 0.00 in / hr 302 ft 8:59 PM EDT Rapid Fire
Falls Church-Westwood Park, Falls Church, VA 76.7 °F 78 °F 66 °F 69% SSW  at  0.0 mph 0.00 in / hr 479 ft 9:00 PM EDT Rapid Fire
Trott Ave, Vienna, VA 78.1 °F 80 °F 69 °F 73% North  at  0.0 mph - / hr 415 ft 8:53 PM EDT Normal
Fairfax - Kings Park West (II), Fairfax, VA 76.5 °F 78 °F 66 °F 69% NNW  at  0.0 mph 0.00 in / hr 397 ft 8:59 PM EDT Rapid Fire
Popular Heights, Falls Church, VA 79.4 °F 81 °F 66 °F 64% WNW  at  0.0 mph 0.00 in / hr 387 ft 8:59 PM EDT Normal
Beulah-Wolf Trap, Vienna, VA 78.1 °F 80 °F 66 °F 67% SE  at  0.0 mph 0.00 in / hr 430 ft 8:51 PM EDT Normal
Northeast Vienna, Vienna, VA 77.5 °F 79 °F 67 °F 69% ESE  at  0.0 mph 0.00 in / hr 354 ft 8:58 PM EDT Normal
Dustoff, Falls Church, VA 79.0 °F 81 °F 63 °F 59% North  at  0.0 mph 0.00 in / hr 427 ft 8:32 PM EDT Normal
Broyhill Crest, Annandale, VA 78.3 °F 80 °F 66 °F 65% North  at  0.0 mph 0.00 in / hr 315 ft 9:00 PM EDT Rapid Fire
Fairfax - Kings Park West, Fairfax, VA 76.8 °F 79 °F 60 °F 57% WSW  at  0.0 mph 0.00 in / hr 310 ft 9:00 PM EDT Rapid Fire
Westlawn, Falls Church, VA 79.0 °F 81 °F 64 °F 60% SSE  at  0.0 mph 0.00 in / hr 331 ft 8:58 PM EDT Normal
Clarks Crossing, Vienna, VA 75.1 °F 77 °F 65 °F 70% North  at  0.0 mph 0.00 in / hr 312 ft 8:55 PM EDT Normal
BurkeWx, Burke, VA 76.8 °F 79 °F 65 °F 67% SE  at  0.0 mph 0.00 in / hr 308 ft 9:00 PM EDT Rapid Fire
Burke Centre, Fairfax, VA 78.1 °F 80 °F 66 °F 66% South  at  0.0 mph 0.00 in / hr 308 ft 9:00 PM EDT Rapid Fire
West Falls Church, Falls Church, VA 78.5 °F 80 °F 65 °F 63% South  at  1.0 mph 0.00 in / hr 430 ft 8:58 PM EDT Normal
North Springfield, Springfield, VA 77.5 °F 79 °F 64 °F 64% North  at  0.0 mph 0.00 in / hr 272 ft 9:00 PM EDT Rapid Fire
Barton Place, Fairfax Station, VA 75.6 °F 77 °F 66 °F 71% NNE  at  0.0 mph - / hr 423 ft 8:53 PM EDT Normal
Wolf Trap Woods, Vienna, VA 77.1 °F 79 °F 67 °F 72% SSW  at  0.0 mph 0.00 in / hr 367 ft 8:54 PM EDT Normal
Ponds, Burke, VA 76.7 °F 78 °F 67 °F 71% East  at  0.0 mph 0.00 in / hr 335 ft 8:56 PM EDT Normal
Hawk Ridge Subdivision, Reston, VA 72.8 °F 73 °F 66 °F 78% South  at  0.0 mph 0.00 in / hr 300 ft 8:50 PM EDT Normal
Oakton, Oakton, VA 77.1 °F 79 °F 66 °F 69% SW  at  0.0 mph 0.00 in / hr 455 ft 8:51 PM EDT Normal
Fox Mill, Herndon, VA 76.6 °F 78 °F 65 °F 68% WNW  at  0.0 mph 0.00 in / hr 383 ft 8:59 PM EDT Rapid Fire

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