Favorites
You don't appear to have any favorites yet, or your cookies may be disabled.
Langley Fork Park, McLean, Virginia (PWS)
Updated: 2:40 AM EDT on July 12, 2009
74.3 °F
Mostly Cloudy
Humidity:
89%
Dew Point:
71 °F
Wind:
Calm
Wind Gust:
0.0 mph
Pressure:
29.96 in
(Steady)
Heat Index:
73 °F
Visibility:
7.0 miles
UV:
0 out of 16
Clouds:
Few
7000 ft
Scattered Clouds
9000 ft
Mostly Cloudy
11000 ft
Mostly Cloudy
25000 ft
(Above Ground Level)
Elevation:
272 ft
» Weather History for This Location
Select a source for your current conditions:
Washington, DC (KDCA)
College Park, MD (KCGS)
Fort Belvoir, VA (KDAA)
Dulles Airport, VA (KIAD)
Langley Fork Park
MDDOT I-495 at Am Lgn Br
Arlington, VA
Cherrydale
VADOT Dulles_Toll_Rd_E_Plaza
Ballston Neighborhood
Backyard Weather
APRSWXNET Westlawn VA US
Beulah-Wolf Trap
APRSWXNET Bethesda MD US
Potomac, MD
VADOT Rt_66_@_Rosslyn
Barcroft Neighborhood
MDDOT I-495 @ Connecticut Ave
DCNet Natl. Academy of Sciences Washington DC
DCNet Navy Annex Washington DC
APRSWXNET Arlington VA US
DCNet DC Municipal Building Washington DC
DCNet Hoover Building Washington DC
Lake Fairfax
Hawk Ridge Subdivision (South)
Colvin Run at Hunter Mill Rd (One Lane Bridge)
DCNet NOAA Building Silver Spring MD
DCNet Forrestal Building Washington DC
Hickory Creek
James K. Polk Elementary
Episcopal High School
Eckington Pl, NE
NOS_PORTS Washington, DC
Cedar Cove Cluster
Seminary Ridge - St Stephens & St. Agnes Upper Campus
History & Almanac
Max Temperature:
Min Temperature:
Normal (KDCA)
88 °F
70 °F
Record (KDCA)
99 °F
53 °F
Yesterday
84 °F
67 °F
Yesterday's Cooling Degree Days: 11
Detailed History and Climate (KDCA)
Today's State Extremes
Astronomy
July 12, 2009
Rise:
Set:
Actual Time
5:53 AM EDT
8:34 PM EDT
Civil Twilight
5:22 AM EDT
9:06 PM EDT
Nautical Twilight
4:42 AM EDT
9:45 PM EDT
Astronomical Twilight
3:58 AM EDT
10:29 PM EDT
Moon
11:10 PM EDT
10:49 AM EDT
Length Of Visible Light:
15h 43m
Length of Day
14h 41m
Tomorrow will be 1m 11s shorter .
Extended View
Waning Gibbous, 80% of the Moon is Illuminated
Today
7 / 15
Last Quarter
7 / 21
New
7 / 28
First Quarter
8 / 5
Full
For more information about the solar system:
Free Weather Stickers® for Your Homepage!
Sunday
Monday
Tuesday
Wednesday
Thursday
85° F
|
65° F
83° F
|
63° F
85° F
|
65° F
86° F
|
72° F
88° F
|
70° F
Chance of Rain
30% chance of precipitation
Partly Cloudy
Partly Cloudy
Chance of T-storms
30% chance of precipitation
Chance of T-storms
30% chance of precipitation
Forecast for Fairfax
Updated: 9:31 PM EDT on July 11, 2009
Overnight
Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Southwest winds 5 to 10 mph... becoming west. Chance of rain 20 percent.
Sunday
Mostly sunny. Highs in the mid 80s. Northwest winds 5 to 10 mph.
Sunday Night
Partly cloudy. Lows in the mid 60s. West winds around 5 mph in the evening...becoming light and variable.
Monday
Mostly sunny. Highs in the mid 80s. West winds around 5 mph.
Monday Night
Partly cloudy. Lows in the mid 60s. Northwest winds around 5 mph.
Tuesday
Sunny. Highs in the mid 80s.
Tuesday Night
Mostly clear. Lows in the mid 60s.
Wednesday
Mostly sunny. Highs in the upper 80s.
Wednesday Night
Mostly cloudy with a 30 percent chance of showers. Lows in the lower 70s.
Thursday
Partly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 30 percent.
Thursday Night
Mostly cloudy with a chance of showers and thunderstorms. Lows around 70. Chance of rain 30 percent.
Friday
Mostly sunny. Highs in the mid 80s.
Friday Night
Partly cloudy. Lows in the mid 60s.
Saturday
Mostly sunny. Highs in the mid 80s.
Alternate Computer Forecast: AVN MOS Weather Graph
Air quality Forecast for Northern Virginia
Sports Weather
NFL:
Date:
Forecast:
Bills vs. Titans 8:00 PM EDT on August 09, 2009
Average High 81° F/ 27° C
Redskins vs. Ravens 7:30 PM EDT on August 13, 2009
Average High 84° F/ 28° C
MLB:
Date:
Forecast:
Marlins vs. Diamondbacks 5:10 PM MST on July 11, 2009
Partly Cloudy,
112 °F
Braves vs. Rockies 6:10 PM MDT on July 11, 2009
Thunderstorm,
86 °F
Football (Soccer):
Date:
Forecast:
FC Dallas vs. Colorado 7:30 PM MDT on July 11, 2009
Thunderstorm,
85 °F
Toronto FC vs. San Jose 7:30 PM PDT on July 11, 2009
Chance of Rain,
67 °F
NASCAR:
Date:
Forecast:
LifeLock.com 400 7:16 PM CDT on July 11, 2009
Partly Cloudy,
77 °F
Allstate 400 at The Brickyard 2:19 PM EDT on July 26, 2009
Average High 85° F/ 29° C
Blogs in This Area
City:
Member:
Title:
Last Activity:
Fairfax
Proserpina Proserpina's Wunder Blog
18 hours ago
Weather Stations
Station Location
Temp.
Dew Point
Humidity
Wind
Pressure
Precipitation
Heat Index
Elevation
Updated
Type
Langley Fork Park, McLean, VA
74.3 °F
71 °F 89%
29.96 in
0.00 in
73 °F
272 ft
2:40 AM EDT Rapid Fire
MDDOT I-495 at Am Lgn Br, Cabin John, MD
75 °F
72 °F 89%
-
0.00 in
74 °F
46 ft
2:05 AM EDT MADIS
Website
Arlington, VA
73.0 °F
73 °F 99%
29.93 in
0.00 in
-
300 ft
2:40 AM EDT Normal
Cherrydale, Arlington, VA
75.1 °F
71 °F 88%
29.94 in
0.00 in
75 °F
265 ft
2:35 AM EDT Normal
VADOT Dulles_Toll_Rd_E_Plaza, Vienna, VA
75 °F
25 °F 15%
-
0.00 in
75 °F
416 ft
2:10 AM EDT MADIS
Website
Ballston Neighborhood, Arlington, VA
74.1 °F
66 °F 75%
29.93 in
0.00 in
75 °F
450 ft
2:35 AM EDT Normal
Backyard Weather, Falls Church, VA
73.4 °F
70 °F 89%
29.95 in
0.00 in
72 °F
334 ft
2:40 AM EDT Normal
APRSWXNET Westlawn VA , Falls Church, VA
73 °F
71 °F 94%
29.96 in
0.00 in
-
311 ft
2:15 AM EDT MADIS
Website
Beulah-Wolf Trap, Vienna, VA
73.9 °F
71 °F 92%
29.93 in
0.00 in
72 °F
430 ft
2:40 AM EDT Rapid Fire Website
APRSWXNET Bethesda MD , Washington, DC
74 °F
71 °F 90%
29.95 in
0.00 in
72 °F
403 ft
2:19 AM EDT MADIS
Website
Potomac, MD
75.0 °F
64 °F 69%
29.79 in
0.00 in
77 °F
0 ft
2:37 AM EDT Normal
VADOT Rt_66_@_Rosslyn, Arlington, VA
77 °F
69 °F 76%
-
0.00 in
79 °F
132 ft
1:56 AM EDT MADIS
Website
Barcroft Neighborhood, Arlington, VA
73.9 °F
69 °F 85%
29.95 in
0.00 in
73 °F
200 ft
2:40 AM EDT Normal
MDDOT I-495 @ Connecticut Ave, Bethesda, MD
76 °F
72 °F 89%
-
0.00 in
76 °F
230 ft
2:11 AM EDT MADIS
Website
DCNet Natl. Academy of Sciences Washingt, Washington, DC
77 °F
71 °F 82%
-
0.00 in
79 °F
130 ft
2:15 AM EDT MADIS
Website
DCNet Navy Annex Washington DC, Washington, DC
75 °F
69 °F 81%
-
0.00 in
75 °F
197 ft
2:15 AM EDT MADIS
Website
APRSWXNET Arlington VA , Arlington, VA
74 °F
70 °F 88%
29.94 in
0.00 in
73 °F
157 ft
2:18 AM EDT MADIS
Website
DCNet DC Municipal Building Washington D, Washington, DC
76 °F
69 °F 80%
-
0.00 in
77 °F
304 ft
2:15 AM EDT MADIS
Website
DCNet Hoover Building Washington DC, Washington, DC
78 °F
69 °F 74%
-
0.00 in
80 °F
231 ft
2:15 AM EDT MADIS
Website
Lake Fairfax, Vienna, VA
74.7 °F
71 °F 87%
29.63 in
0.00 in
74 °F
275 ft
2:40 AM EDT Rapid Fire Website
Hawk Ridge Subdivision (South), Reston, VA
73.5 °F
70 °F 89%
29.90 in
0.00 in
72 °F
300 ft
2:31 AM EDT Normal
Website
Colvin Run at Hunter Mill Rd (One Lane B, Vienna, VA
74.8 °F
71 °F 89%
29.95 in
0.00 in
74 °F
295 ft
2:30 AM EDT Normal
DCNet NOAA Building Silver Spring MD, Silver Spring, MD
74 °F
69 °F 84%
-
0.00 in
74 °F
511 ft
2:15 AM EDT MADIS
Website
DCNet Forrestal Building Washington DC, Washington, DC
76 °F
70 °F 81%
-
0.00 in
77 °F
228 ft
2:15 AM EDT MADIS
Website
Hickory Creek, Great Falls, VA
74.6 °F
70 °F 86%
29.88 in
0.00 in
74 °F
350 ft
2:40 AM EDT Rapid Fire Website
James K. Polk Elementary, Alexandria, VA
77.0 °F
77 °F 100%
30.24 in
0.00 in
78 °F
0 ft
1:52 AM EDT Rapid Fire
Episcopal High School, Alexandria, VA
74.4 °F
68 °F 81%
29.92 in
0.00 in
75 °F
290 ft
2:40 AM EDT Normal
Website
Eckington Pl, NE, Washington, DC
76.7 °F
71 °F 82%
29.94 in
0.00 in
78 °F
90 ft
2:39 AM EDT Normal
NOS_PORTS Washington, DC, Washington, DC
77 °F
-
-
29.96 in
0.00 in
75 °F
0 ft
2:12 AM EDT MADIS
Website
Cedar Cove Cluster, Reston, VA
74.8 °F
71 °F 87%
29.94 in
0.00 in
74 °F
350 ft
2:40 AM EDT Rapid Fire
Seminary Ridge - St Stephens & St. Agnes, Alexandria, VA
75.0 °F
72 °F 92%
29.92 in
0.00 in
74 °F
268 ft
2:40 AM EDT Rapid Fire Website
Would you like to share your weather data with the rest of the world?
Add Your Weather Station!
Warnings and Notices
There are currently no warnings or advisories for this location.
Copyright © 2009 Weather Underground, Inc.
Copyright © 2009 Weather Underground, Inc.
