Favorites
You don't appear to have any favorites yet, or your cookies may be disabled.
|
Great Falls, Great Falls, Virginia (PWS)
Updated: 10:23 PM EDT on July 05, 2009
 |
61.8 °F
Mostly Cloudy
|
| Humidity: |
92% |
| Dew Point: |
60 °F
|
| Wind: |
Calm
|
| Wind Gust: |
0.0 mph
|
| Pressure: |
29.84 in
(Rising)
|
| Visibility: |
10.0 miles
|
| UV: |
0 out of 16 |
| Clouds: |
Mostly Cloudy
7500 ft
Mostly Cloudy
25000 ft
(Above Ground Level)
|
| Elevation: |
339 ft
|
» Weather History for This Location
|
|
Select a source for your current conditions:
| History & Almanac |
 |
| |
Max Temperature: |
Min Temperature: |
| Normal (KIAD) |
87 °F
|
63 °F
|
| Record (KIAD) |
99 °F
(1999) |
50 °F
(1996) |
| Yesterday |
84 °F
|
60 °F
|
| Yesterday's Cooling Degree Days: 7 |
|
Detailed History and Climate (KIAD)
|
|
|
| Today's State Extremes |
 |
| Astronomy |
 |
| July 5, 2009 |
Rise: |
Set: |
| Actual Time |
5:49 AM EDT |
8:38 PM EDT |
| Civil Twilight |
5:18 AM EDT |
9:10 PM EDT |
| Nautical Twilight |
4:38 AM EDT |
9:49 PM EDT |
| Astronomical Twilight |
3:52 AM EDT |
10:35 PM EDT |
| Moon |
7:42 PM EDT (7/5)
|
3:59 AM EDT (7/5)
|
| Length Of Visible Light: |
15h 52m |
| Length of Day |
14h 48m
Tomorrow will be 0m 50s shorter.
|
|
Extended View
|
|
Waxing Gibbous, 98% of the Moon is Illuminated
 |
 |
 |
 |
 |
|
Today
|
7 / 7
Full
|
7 / 15
Last Quarter
|
7 / 21
New
|
7 / 28
First Quarter
|
For more information about the solar system:
|
Free Weather Stickers® for Your Homepage!
|
|
| Monday |
Tuesday |
Wednesday |
Thursday |
Friday |
|
86° F
|
58° F
|
83° F
|
61° F
|
81° F
|
59° F
|
79° F
|
61° F
|
83° F
|
65° F
|
|
Partly Cloudy
|
Partly Cloudy
|
Partly Cloudy
|
Chance of T-storms
30% chance of precipitation
|
Partly Cloudy
|
|
|
|
|
|
|
| Forecast for Fairfax |
 |
| Updated: 8:11 PM EDT on July 5, 2009 |
|
|
 |
Tonight
Mostly cloudy. Patchy fog after midnight. Lows around 60. Southwest winds around 5 mph...becoming west around 5 mph after midnight.
|
 |
Monday
Sunny. Highs in the mid 80s. North winds 5 to 10 mph.
|
 |
Monday Night
Partly cloudy. Lows around 60. East winds around 5 mph...becoming west after midnight.
|
 |
Tuesday
Mostly sunny. Highs in the mid 80s. Northwest winds 5 to 10 mph.
|
 |
Tuesday Night
Partly cloudy. Lows in the lower 60s. North winds 5 to 10 mph.
|
 |
Wednesday
Mostly sunny. Highs in the lower 80s.
|
 |
Wednesday Night
Partly cloudy. Lows in the lower 60s.
|
 |
Thursday
Mostly sunny with a chance of showers and thunderstorms. Highs around 80. Chance of rain 30 percent.
|
 |
Thursday Night
Mostly cloudy. Lows in the mid 60s.
|
 |
Friday
Partly sunny. Highs in the lower 80s.
|
 |
Friday Night
Partly cloudy. Lows in the upper 60s.
|
 |
Saturday
Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 30 percent.
|
 |
Saturday Night
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40 percent.
|
 |
Sunday
Mostly cloudy. Highs in the upper 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: |
| Rays vs. Rangers |
7:05 PM CDT on July 05, 2009 |
Chance of a Thunderstorm,
83 °F
|
| Blue Jays vs. Yankees |
1:05 PM EDT on July 06, 2009 |
Partly Cloudy,
81 °F
|
| Football (Soccer): |
Date: |
Forecast: |
| Kansas City vs. New England |
9:00 PM BST on July 11, 2009 |
Average High 66° F/ 18° C |
| Houston vs. Seattle |
1:00 PM PDT on July 11, 2009 |
Chance of Rain,
74 °F
|
| NASCAR: |
Date: |
Forecast: |
| LifeLock.com 400 |
7:16 PM CDT on July 11, 2009 |
Partly Cloudy,
81 °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 |
Elevation |
Updated |
Type |
|
|
Great Falls, Great Falls, VA
|
61.8 °F
|
60 °F
|
92% |
|
29.84 in
|
0.00 in
/ hr |
339 ft |
10:23 PM EDT |
Rapid Fire |
|
|
APRSWXNET Great Falls VA , Sterling, VA
|
65 °F
|
60 °F
|
84% |
|
29.87 in
|
0.00 in
/ hr |
321 ft |
10:03 PM EDT |
MADIS |
Website |
|
Colvin Run at Hunter Mill Rd (One Lane B, Vienna, VA
|
62.7 °F
|
60 °F
|
91% |
|
29.85 in
|
0.00 in
/ hr |
295 ft |
10:20 PM EDT |
Normal |
|
|
Cedar Cove Cluster, Reston, VA
|
65.3 °F
|
59 °F
|
81% |
|
29.85 in
|
0.00 in
/ hr |
350 ft |
10:23 PM EDT |
Rapid Fire |
|
|
Lake Fairfax, Vienna, VA
|
62.5 °F
|
59 °F
|
88% |
|
29.56 in
|
0.00 in
/ hr |
275 ft |
10:23 PM EDT |
Rapid Fire |
Website |
|
Hickory Creek, Great Falls, VA
|
64.0 °F
|
59 °F
|
84% |
|
29.78 in
|
0.00 in
/ hr |
350 ft |
10:23 PM EDT |
Rapid Fire |
Website |
|
Weatherscience.net, Potomac Falls, VA
|
65.5 °F
|
60 °F
|
84% |
|
29.53 in
|
0.00 in
/ hr |
276 ft |
10:23 PM EDT |
Rapid Fire |
Website |
|
Hawk Ridge Subdivision (South), Reston, VA
|
62.0 °F
|
59 °F
|
90% |
|
29.81 in
|
0.00 in
/ hr |
300 ft |
10:21 PM EDT |
Normal |
Website |
|
Jim's Front Porch, Oak Hill, VA, VA
|
64.0 °F
|
58 °F
|
81% |
|
29.89 in
|
0.00 in
/ hr |
406 ft |
10:17 PM EDT |
Normal |
|
|
Brookfield, Chantilly, VA
|
64.6 °F
|
55 °F
|
71% |
|
29.38 in
|
0.00 in
/ hr |
260 ft |
10:20 PM EDT |
Normal |
|
|
Falcon Ridge, Great Falls, VA
|
63.2 °F
|
61 °F
|
93% |
|
29.83 in
|
0.00 in
/ hr |
275 ft |
10:19 PM EDT |
Normal |
|
|
VADOT Dulles_Toll_Rd_W_MP25, Chantilly, VA
|
66 °F
|
59 °F
|
78% |
|
-
|
0.00 in
/ hr |
406 ft |
9:49 PM EDT |
MADIS |
Website |
|
Broadlands Southern Walk, Ashburn, VA
|
64.4 °F
|
60 °F
|
85% |
|
29.59 in
|
0.00 in
/ hr |
320 ft |
10:23 PM EDT |
Rapid Fire |
|
|
Brambleton, Ashburn, VA
|
64.8 °F
|
61 °F
|
88% |
|
29.84 in
|
0.00 in
/ hr |
310 ft |
10:23 PM EDT |
Rapid Fire |
|
|
Ridings at Blue Springs, Chantilly, VA
|
63.6 °F
|
60 °F
|
89% |
|
29.85 in
|
0.00 in
/ hr |
303 ft |
10:21 PM EDT |
Normal |
Website |
|
Beulah-Wolf Trap, Vienna, VA
|
63.4 °F
|
60 °F
|
90% |
|
29.84 in
|
0.00 in
/ hr |
430 ft |
10:22 PM EDT |
Rapid Fire |
Website |
|
Broadlands West, Broadlands, VA
|
63.3 °F
|
59 °F
|
87% |
|
29.74 in
|
0.00 in
/ hr |
383 ft |
10:20 PM EDT |
Normal |
|
|
Belmont Country Club, Ashburn, VA
|
64.1 °F
|
61 °F
|
89% |
|
29.83 in
|
0.00 in
/ hr |
302 ft |
10:23 PM EDT |
Normal |
|
|
APRSWXNET Darnestown1-SW MD , Germantown, MD
|
64 °F
|
59 °F
|
83% |
|
29.85 in
|
0.00 in
/ hr |
395 ft |
10:02 PM EDT |
MADIS |
Website |
|
London Towne West II, Centreville, VA
|
65.0 °F
|
60 °F
|
83% |
|
29.85 in
|
0.00 in
/ hr |
180 ft |
10:23 PM EDT |
Rapid Fire |
Website |
|
Potomac, MD
|
63.0 °F
|
50 °F
|
62% |
|
29.67 in
|
0.00 in
/ hr |
0 ft |
10:08 PM EDT |
Normal |
|
|
Kincaid Forest, Leesburg, VA
|
65.1 °F
|
61 °F
|
87% |
|
29.79 in
|
0.00 in
/ hr |
294 ft |
10:19 PM EDT |
Normal |
|
|
TNG @ Centre Ridge, Centreville, VA
|
65.0 °F
|
62 °F
|
91% |
|
29.79 in
|
0.00 in
/ hr |
297 ft |
10:22 PM EDT |
Normal |
|
|
MDDOT I-495 at Am Lgn Br, Cabin John, MD
|
65 °F
|
59 °F
|
81% |
|
-
|
0.00 in
/ hr |
46 ft |
9:55 PM EDT |
MADIS |
Website |
|
Quince Orchard Knolls, North Potomac, MD
|
64.2 °F
|
55 °F
|
73% |
|
18.07 in
|
0.00 in
/ hr |
325 ft |
10:23 PM EDT |
Rapid Fire |
Website |
|
APRSWXNET McLean VA , McLean, VA
|
65 °F
|
61 °F
|
87% |
|
29.85 in
|
0.00 in
/ hr |
265 ft |
10:02 PM EDT |
MADIS |
Website |
|
Backyard Weather, Falls Church, VA
|
63.4 °F
|
60 °F
|
88% |
|
29.85 in
|
0.00 in
/ hr |
334 ft |
10:22 PM EDT |
Normal |
|
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.
|
|