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Potomac, Maryland (PWS)
Updated: 12:28 PM EDT on July 10, 2009
78.6 °F
Scattered Clouds
Humidity:
50%
Dew Point:
59 °F
Wind:
2.2 mph
from the
NNW
Wind Gust:
3.1 mph
Pressure:
30.15 in
(Rising)
Heat Index:
80 °F
Visibility:
10.0 miles
UV:
9 out of 16
Clouds:
Few
3000 ft
Scattered Clouds
3900 ft
(Above Ground Level)
Elevation:
0 ft
» Weather History for This Location
Select a source for your current conditions:
Gaithersburg, MD (KGAI)
Dulles Airport, VA (KIAD)
Washington, DC (KDCA)
Leesburg, VA (KJYO)
Potomac, MD
Falcon Ridge
Hickory Creek
MDDOT I-495 at Am Lgn Br
Quince Orchard Knolls
Colvin Run at Hunter Mill Rd (One Lane Bridge)
Lake Fairfax
Great Falls
APRSWXNET Bethesda MD US
Woodley Gardens
APRSWXNET Great Falls VA US
VADOT Dulles_Toll_Rd_E_Plaza
King Farm
MDDOT I-270 @ I-370
APRSWXNET McLean VA US
Longhorn
Langley Fork Park
Hawk Ridge Subdivision (South)
APRSWXNET Derwood MD US
Beulah-Wolf Trap
Weatherscience.net
Cedar Cove Cluster
Cloppers Mill East
MDDOT I-495 @ Connecticut Ave
Flower Valley
Montgomery Village, MD
Arlington, VA
History & Almanac
Max Temperature:
Min Temperature:
Normal (KIAD)
87 °F
64 °F
Record (KIAD)
99 °F
53 °F
Yesterday
82 °F
58 °F
Yesterday's Cooling Degree Days: 5
Detailed History and Climate (KGAI)
Today's State Extremes
Astronomy
July 10, 2009
Rise:
Set:
Actual Time
5:52 AM EDT
8:36 PM EDT
Civil Twilight
5:20 AM EDT
9:07 PM EDT
Nautical Twilight
4:41 AM EDT
9:47 PM EDT
Astronomical Twilight
3:56 AM EDT
10:31 PM EDT
Moon
10:25 PM EDT
8:51 AM EDT
Length Of Visible Light:
15h 47m
Length of Day
14h 44m
Tomorrow will be 1m 6s shorter .
Extended View
Waning Gibbous, 90% 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!
Friday
Saturday
Sunday
Monday
Tuesday
81° F
|
63° F
85° F
|
65° F
85° F
|
61° F
83° F
|
61° F
85° F
|
65° F
Partly Cloudy
Partly Cloudy
T-storms
60% chance of precipitation
Partly Cloudy
Partly Cloudy
Forecast for Montgomery
Updated: 9:48 am EDT on July 10, 2009
This Afternoon
Mostly sunny. Highs in the lower 80s. Southeast winds around 5 mph.
Tonight
Partly cloudy. Lows in the mid 60s. South winds around 5 mph.
Saturday
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 30 percent.
Saturday Night
Mostly cloudy. A chance of showers and thunderstorms in the evening...then a chance of showers after midnight. Lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
Sunday
A chance of showers in the morning...then showers and thunderstorms likely in the afternoon. Highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 60 percent.
Sunday Night
Showers and thunderstorms likely. Lows in the lower 60s. Chance of rain 60 percent.
Monday
Mostly sunny. Highs in the lower 80s.
Monday Night
Partly cloudy. Lows around 60.
Tuesday
Mostly sunny. Highs in the mid 80s.
Tuesday Night
Mostly cloudy. Lows in the mid 60s.
Wednesday
Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 30 percent.
Wednesday Night
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 30 percent.
Thursday
Partly sunny. Highs in the upper 80s.
Alternate Computer Forecast: AVN MOS Weather Graph
Air quality Forecast for Washington
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 1:20 PM CDT on July 10, 2009
Chance of a Thunderstorm,
77 °F
Blue Jays vs. Orioles 7:05 PM EDT on July 10, 2009
Partly Cloudy,
76 °F
Football (Soccer):
Date:
Forecast:
Kansas City vs. New England 9:00 PM BST on July 11, 2009
Chance of Rain, High 68° F/ 20° C
Houston vs. Seattle 1:00 PM PDT on July 11, 2009
Partly Cloudy,
77 °F
NASCAR:
Date:
Forecast:
LifeLock.com 400 7:16 PM CDT on July 11, 2009
Partly Cloudy,
76 °F
Allstate 400 at The Brickyard 2:19 PM EDT on July 26, 2009
Average High 85° F/ 29° C
Blogs in This Area
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Weather Stations
Station Location
Temp.
Dew Point
Humidity
Wind
Pressure
Precipitation
Heat Index
Elevation
Updated
Type
Potomac, MD
78.6 °F
59 °F 50%
30.15 in
0.00 in
80 °F
0 ft
12:28 PM EDT Normal
Falcon Ridge, Great Falls, VA
79.6 °F
68 °F 67%
30.27 in
0.00 in
82 °F
275 ft
12:30 PM EDT Normal
Hickory Creek, Great Falls, VA
74.9 °F
61 °F 62%
30.23 in
0.00 in
77 °F
350 ft
12:33 PM EDT Rapid Fire Website
MDDOT I-495 at Am Lgn Br, Cabin John, MD
81 °F
56 °F 43%
-
0.00 in
81 °F
46 ft
12:00 PM EDT MADIS
Website
Quince Orchard Knolls, North Potomac, MD
77.5 °F
53 °F 43%
18.07 in
0.00 in
79 °F
325 ft
12:33 PM EDT Rapid Fire Website
Colvin Run at Hunter Mill Rd (One Lane B, Vienna, VA
76.2 °F
63 °F 63%
30.29 in
0.00 in
78 °F
295 ft
12:30 PM EDT Normal
Lake Fairfax, Vienna, VA
77.7 °F
67 °F 69%
29.99 in
0.00 in
80 °F
275 ft
12:33 PM EDT Rapid Fire Website
Great Falls, Great Falls, VA
76.2 °F
64 °F 65%
30.27 in
0.00 in
78 °F
339 ft
12:33 PM EDT Rapid Fire
APRSWXNET Bethesda MD , Washington, DC
74 °F
61 °F 64%
30.29 in
0.00 in
76 °F
403 ft
11:58 AM EDT MADIS
Website
Woodley Gardens, Rockville, MD
78.8 °F
59 °F 51%
30.21 in
0.00 in
80 °F
451 ft
12:30 PM EDT Normal
Website
APRSWXNET Great Falls VA , Sterling, VA
74 °F
64 °F 71%
30.32 in
0.00 in
76 °F
321 ft
12:03 PM EDT MADIS
Website
VADOT Dulles_Toll_Rd_E_Plaza, Vienna, VA
76 °F
51 °F 42%
-
0.00 in
78 °F
416 ft
11:50 AM EDT MADIS
Website
King Farm, Rockville, MD
78.0 °F
63 °F 60%
30.30 in
0.00 in
80 °F
479 ft
12:33 PM EDT Rapid Fire
MDDOT I-270 @ I-370, Gaithersburg, MD
80 °F
56 °F 45%
-
0.00 in
80 °F
449 ft
12:00 PM EDT MADIS
Website
APRSWXNET McLean VA , McLean, VA
74 °F
64 °F 71%
30.30 in
0.00 in
76 °F
265 ft
12:03 PM EDT MADIS
Website
Longhorn, Gaithersburg, MD
75.8 °F
59 °F 57%
30.24 in
0.00 in
78 °F
420 ft
12:30 PM EDT Normal
Langley Fork Park, McLean, VA
77.4 °F
62 °F 59%
30.30 in
0.00 in
79 °F
272 ft
12:33 PM EDT Rapid Fire
Hawk Ridge Subdivision (South), Reston, VA
77.4 °F
60 °F 55%
30.24 in
0.00 in
79 °F
300 ft
12:21 PM EDT Normal
Website
APRSWXNET Derwood MD , Washington Grove, MD
78 °F
64 °F 62%
30.26 in
0.00 in
80 °F
1558 ft
11:59 AM EDT MADIS
Website
Beulah-Wolf Trap, Vienna, VA
76.1 °F
64 °F 66%
30.27 in
0.00 in
78 °F
430 ft
12:32 PM EDT Rapid Fire Website
Weatherscience.net, Potomac Falls, VA
82.2 °F
64 °F 55%
29.95 in
0.00 in
84 °F
276 ft
12:33 PM EDT Rapid Fire Website
Cedar Cove Cluster, Reston, VA
78.1 °F
64 °F 62%
30.28 in
0.00 in
80 °F
350 ft
12:33 PM EDT Rapid Fire
Cloppers Mill East, Germantown, MD
82.2 °F
55 °F 38%
30.29 in
0.00 in
81 °F
328 ft
12:33 PM EDT Rapid Fire Website
MDDOT I-495 @ Connecticut Ave, Bethesda, MD
80 °F
59 °F 48%
-
0.00 in
81 °F
230 ft
12:06 PM EDT MADIS
Website
Flower Valley, Rockville, MD
85.8 °F
64 °F 49%
30.03 in
0.00 in
87 °F
0 ft
12:32 PM EDT Normal
Montgomery Village, MD
79.0 °F
55 °F 43%
30.31 in
0.00 in
79 °F
350 ft
12:33 PM EDT Rapid Fire Website
Arlington, VA
81.0 °F
60 °F 48%
30.24 in
0.00 in
81 °F
300 ft
12:30 PM EDT Normal
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Warnings and Notices
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Copyright © 2009 Weather Underground, Inc.
Copyright © 2009 Weather Underground, Inc.
