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Potomac, Maryland, United States (20854)  Lat: 39.02N, Lon: 77.21W
Wx Zone: MDZ009

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Latest Reported Weather Conditions
Observed at Washington-Dulles International Airport, VA
Updated 2:52 AM EDT SUN MAY 18 2008

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Mostly Cloudy Mostly Cloudy
60°F
16°C
Click here for hour-by-hour conditions during the last 48 hours
Humidity: 58%
Wind: SOUTHWEST at 5 MPH
Barometer: 29.60 in.
Dewpoint: 45°F
Visibility: 10.00
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Potomac, MD Weather Forecast
Updated 9:50 PM EDT SAT MAY 17 2008

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Overnight
Mostly Cloudy Mostly Cloudy
Lo: 55°
Becoming mostly cloudy. Lows in the mid 50s. Southwest winds 10 to 15 mph.
Sunday
Chance Of T-Storm Chance Of T-Storm
Hi: 71°
POP: 70%
Cloudy. A chance of showers in the morning...Then showers and thunderstorms likely in the afternoon. Some thunderstorms May produce gusty winds in the afternoon. Highs in the lower 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Sunday Night
Chance Of T-Storm Chance Of T-Storm
Lo: 45°
POP: 20%
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Some thunderstorms May produce gusty winds in the evening. Lows in the mid 40s. West winds 10 to 15 mph. Chance of rain 20 percent.
Monday
Mostly Sunny Mostly Sunny
Hi: 69°
Mostly sunny. Highs in the upper 60s. West winds 10 to 15 mph with gusts up to 25 mph.
Monday Night
Partly Cloudy Partly Cloudy
Lo: 49°
Partly cloudy in the evening...Then becoming mostly cloudy. Lows in the upper 40s. Northwest winds 10 to 15 mph... Becoming southwest around 5 mph after midnight.
Tuesday
Showers Likely Showers Likely
Hi: 69°
POP: 70%
Showers likely. Highs in the upper 60s. Chance of rain 70 percent.
Tuesday Night
Mostly Cloudy Mostly Cloudy
Lo: 49°
Mostly cloudy. Lows in the upper 40s.
Wednesday
Mostly Sunny Mostly Sunny
Hi: 69°
Mostly sunny. Highs in the upper 60s.
Wednesday Night
Partly Cloudy Partly Cloudy
Lo: 49°
Partly cloudy. Lows in the upper 40s.
Thursday
Partly Sunny Partly Sunny
Hi: 69°
Partly sunny. Highs in the upper 60s.
Thursday Night
Partly Cloudy Partly Cloudy
Lo: 50°
Partly cloudy. Lows around 50.
Friday
Mostly Sunny Mostly Sunny
Hi: 75°
Mostly sunny. Highs in the mid 70s.
Friday Night
Partly Cloudy Partly Cloudy
Lo: 51°
Partly cloudy. Lows in the lower 50s.
Saturday
Mostly Sunny Mostly Sunny
Hi: 75°
Mostly sunny. Highs in the mid 70s.

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Sun & Moon Information

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Morning Twilight:

5:23 AM EDT Moon Phase:
Waxing Gibbous Moon
Waxing Gibbous Moon
Sunrise: 5:53 AM EDT
Sunset: 8:17 PM EDT
Evening Twilight: 8:47 PM EDT

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Weather Folklore

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If toads appear in large numbers, expect rain.
 

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United States Extremes

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Sat's High Temperature: 113 at Death Valley Ca
Sat's Low Temperature: 26 at Yellowstone Lake Wy
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