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Langley Fork Park, McLean, Virginia (PWS)
Updated: 3:24 PM EDT on July 11, 2009
81.0 °F
Overcast
Humidity:
66%
Dew Point:
68 °F
Wind:
Calm
Wind Gust:
9.0 mph
Pressure:
30.09 in
(Falling)
Heat Index:
84 °F
Visibility:
10.0 miles
UV:
3 out of 16
Clouds:
Mostly Cloudy
4100 ft
Overcast
20000 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
54 °F
Yesterday
81 °F
64 °F
Yesterday's Cooling Degree Days: 8
Detailed History and Climate (KDCA)
Today's State Extremes
Astronomy
July 11, 2009
Rise:
Set:
Actual Time
5:52 AM EDT
8:35 PM EDT
Civil Twilight
5:21 AM EDT
9:06 PM EDT
Nautical Twilight
4:42 AM EDT
9:45 PM EDT
Astronomical Twilight
3:57 AM EDT
10:30 PM EDT
Moon
10:48 PM EDT
9:50 AM EDT
Length Of Visible Light:
15h 45m
Length of Day
14h 42m
Tomorrow will be 1m 8s shorter .
Extended View
Waning Gibbous, 83% 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!
Saturday
Sunday
Monday
Tuesday
Wednesday
85° F
|
65° F
86° F
|
63° F
85° F
|
61° F
85° F
|
63° F
86° F
|
72° F
Chance of T-storms
60% chance of precipitation
Partly Cloudy
Chance of T-storms
20% chance of precipitation
Partly Cloudy
Chance of T-storms
30% chance of precipitation
Nowcast as of 3:17 PM EDT on July 11, 2009
Now
At 310 PM EDT...National Weather Service radar indicated the leading edge of a broken line of showers and thunderstorms approaching the Blue Ridge from the west...or roughly along a line from Hagerstown...to Luray...to Charlottesville. Behind this line...scattered showers and thunderstorms were developing further west across the Potomac Highlands and Shenandoah Valley. Movement of all the activity is to the east at 20 mph. Through 430 PM EDT...showers and thunderstorms will affect areas including those in and near Cumberland...Keyser...Moorefield... Franklin...Martinsburg...Monterey...Staunton...Harrisonburg... Winchester...and Leesburg. Occasional cloud to ground lightning is occurring which these thunderstorms. In addition...wind gusts of 30 to 40 mph can be expected with this activity. Heavy downpours may reduce visibility below a mile and cause ponding of water on roadways. If you are in the path of these thunderstorms...move indoors to protect yourself from lightning. Do not seek shelter under trees. They can be struck and carry the charge to you.
Forecast for Fairfax
Updated: 1:19 PM EDT on July 11, 2009
This Afternoon
Partly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
Tonight
Showers and thunderstorms likely. Some thunderstorms may produce gusty winds...small hail and heavy rainfall. Lows in the upper 60s. South winds around 10 mph with gusts up to 20 mph... becoming west after midnight. Chance of rain 70 percent.
Sunday
Partly sunny. A chance of showers in the morning. Highs in the mid 80s. Northwest winds 5 to 10 mph. Chance of rain 30 percent.
Sunday Night
Partly cloudy. Lows in the mid 60s. North winds 5 to 10 mph.
Monday
Partly sunny. Highs in the mid 80s. Southwest winds 5 to 10 mph.
Monday Night
Partly cloudy. Lows in the lower 60s.
Tuesday
Mostly sunny. Highs in the mid 80s.
Tuesday Night
Mostly clear. Lows in the mid 60s.
Wednesday
Partly sunny. Highs in the upper 80s.
Wednesday Night
Mostly cloudy with a 30 percent chance of showers. Lows in the lower 70s.
Thursday
Mostly cloudy with a chance of showers and thunderstorms. Highs around 90. Chance of rain 30 percent.
Thursday Night
Mostly cloudy with a 30 percent chance of showers. Lows in the lower 70s.
Friday
Partly 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:
Cardinals vs. Cubs 3:10 PM CDT on July 11, 2009
Clear,
74 °F
Yankees vs. Angels 1:10 PM PDT on July 11, 2009
Partly Cloudy,
85 °F
Football (Soccer):
Date:
Forecast:
Kansas City vs. New England 9:00 PM BST on July 11, 2009
Chance of Rain, High 66° F/ 19° C
Houston vs. Seattle 1:00 PM PDT on July 11, 2009
Chance of a Thunderstorm,
79 °F
NASCAR:
Date:
Forecast:
LifeLock.com 400 7:16 PM CDT on July 11, 2009
Clear,
79 °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
7 hours ago
Weather Stations
Station Location
Temp.
Dew Point
Humidity
Wind
Pressure
Precipitation
Heat Index
Elevation
Updated
Type
Langley Fork Park, McLean, VA
81.0 °F
68 °F 66%
30.09 in
0.00 in
84 °F
272 ft
3:24 PM EDT Rapid Fire
MDDOT I-495 at Am Lgn Br, Cabin John, MD
85 °F
62 °F 46%
-
0.00 in
86 °F
46 ft
2:50 PM EDT MADIS
Website
Arlington, VA
83.0 °F
65 °F 54%
30.03 in
0.00 in
85 °F
300 ft
3:20 PM EDT Normal
Cherrydale, Arlington, VA
83.3 °F
68 °F 61%
30.07 in
0.00 in
87 °F
265 ft
3:20 PM EDT Normal
VADOT Dulles_Toll_Rd_E_Plaza, Vienna, VA
80 °F
55 °F 41%
-
0.00 in
80 °F
416 ft
1:10 PM EDT MADIS
Website
Ballston Neighborhood, Arlington, VA
81.0 °F
54 °F 39%
30.08 in
0.00 in
81 °F
450 ft
3:20 PM EDT Normal
Backyard Weather, Falls Church, VA
81.6 °F
68 °F 64%
30.08 in
0.00 in
85 °F
334 ft
3:24 PM EDT Normal
APRSWXNET Westlawn VA , Falls Church, VA
82 °F
69 °F 65%
30.08 in
0.00 in
85 °F
311 ft
3:00 PM EDT MADIS
Website
Beulah-Wolf Trap, Vienna, VA
79.8 °F
70 °F 73%
30.06 in
0.00 in
83 °F
430 ft
3:23 PM EDT Rapid Fire Website
APRSWXNET Bethesda MD , Washington, DC
80 °F
68 °F 66%
30.08 in
0.00 in
82 °F
403 ft
2:58 PM EDT MADIS
Website
Potomac, MD
81.9 °F
58 °F 44%
29.92 in
0.00 in
82 °F
0 ft
3:17 PM EDT Normal
VADOT Rt_66_@_Rosslyn, Arlington, VA
84 °F
62 °F 49%
-
0.00 in
85 °F
132 ft
2:36 PM EDT MADIS
Website
Barcroft Neighborhood, Arlington, VA
84.9 °F
68 °F 57%
30.07 in
0.00 in
88 °F
200 ft
3:20 PM EDT Normal
MDDOT I-495 @ Connecticut Ave, Bethesda, MD
85 °F
65 °F 52%
-
0.00 in
87 °F
230 ft
2:40 PM EDT MADIS
Website
DCNet Natl. Academy of Sciences Washingt, Washington, DC
81 °F
64 °F 56%
-
0.00 in
82 °F
130 ft
2:45 PM EDT MADIS
Website
DCNet Navy Annex Washington DC, Washington, DC
81 °F
64 °F 55%
-
0.00 in
82 °F
197 ft
2:45 PM EDT MADIS
Website
APRSWXNET Arlington VA , Arlington, VA
81 °F
68 °F 65%
30.07 in
0.00 in
84 °F
157 ft
3:03 PM EDT MADIS
Website
DCNet DC Municipal Building Washington D, Washington, DC
80 °F
63 °F 57%
-
0.00 in
81 °F
304 ft
2:45 PM EDT MADIS
Website
DCNet Hoover Building Washington DC, Washington, DC
81 °F
60 °F 50%
-
0.00 in
82 °F
231 ft
2:45 PM EDT MADIS
Website
Lake Fairfax, Vienna, VA
80.2 °F
69 °F 69%
29.77 in
0.00 in
83 °F
275 ft
3:24 PM EDT Rapid Fire Website
Hawk Ridge Subdivision (South), Reston, VA
80.1 °F
69 °F 69%
30.03 in
0.00 in
83 °F
300 ft
3:11 PM EDT Normal
Website
Colvin Run at Hunter Mill Rd (One Lane B, Vienna, VA
80.1 °F
68 °F 68%
30.07 in
0.00 in
83 °F
295 ft
3:20 PM EDT Normal
DCNet NOAA Building Silver Spring MD, Silver Spring, MD
79 °F
63 °F 58%
-
0.00 in
81 °F
511 ft
2:45 PM EDT MADIS
Website
DCNet Forrestal Building Washington DC, Washington, DC
81 °F
64 °F 57%
-
0.00 in
83 °F
228 ft
2:45 PM EDT MADIS
Website
Hickory Creek, Great Falls, VA
79.2 °F
67 °F 67%
30.00 in
0.00 in
81 °F
350 ft
3:24 PM EDT Rapid Fire Website
James K. Polk Elementary, Alexandria, VA
84.0 °F
84 °F 100%
30.36 in
0.00 in
103 °F
0 ft
2:52 PM EDT Rapid Fire
Episcopal High School, Alexandria, VA
81.4 °F
64 °F 56%
30.04 in
0.00 in
83 °F
290 ft
3:20 PM EDT Normal
Website
Eckington Pl, NE, Washington, DC
81.1 °F
66 °F 61%
30.07 in
0.00 in
83 °F
90 ft
3:23 PM EDT Normal
NOS_PORTS Washington, DC, Washington, DC
80 °F
-
-
30.10 in
0.00 in
78 °F
0 ft
2:48 PM EDT MADIS
Website
Cedar Cove Cluster, Reston, VA
80.8 °F
70 °F 68%
30.07 in
0.00 in
84 °F
350 ft
3:23 PM EDT Rapid Fire
Seminary Ridge - St Stephens & St. Agnes, Alexandria, VA
82.6 °F
71 °F 69%
30.04 in
0.00 in
87 °F
268 ft
3:24 PM EDT Rapid Fire Website
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Warnings and Notices
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Copyright © 2009 Weather Underground, Inc.
Copyright © 2009 Weather Underground, Inc.
