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Annandale, PA
 78° 
Last Updated on Aug 21 2018, 4:56 pm EDT
Current ConditionsMostly Cloudy
Relative Humidity71%
Windfrom the Southwest at 15.0 gusting to 25.3 MPH
(13 gusting to 22 KT)
Pressure29.79 mb
Dewpoint68.0 F (20.0 C)
Visibility10.00 miles

7-Day Forecast

This Afternoon
Chance T-storms
High: 77°
A chance of showers and thunderstorms.
Mostly cloudy with a high near 77.
South wind around 10 mph.
Chance of precipitation is 40%.
New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.


Tonight
T-storms Likely
Low: 63°
Showers and thunderstorms likely, mainly before 8pm.
Mostly cloudy with a low around 63.
South wind around 9 mph becoming
west after midnight.
Chance of precipitation is 60%.
New rainfall amounts
between a quarter and half of an inch possible.


Wednesday
Showers Likely
High: 69°
A chance of showers and thunderstorms,
then showers likely after 11am.
Mostly cloudy with a high near 69.
West wind 8 to 11 mph.
Chance of precipitation is 60%.
New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.


Wednesday Night
Chance Showers then Partly Cloudy
Low: 53°
A chance of showers, mainly before 7pm.
Partly cloudy with a low around 53.
Northwest wind 6 to 10 mph.
Chance of precipitation is 30%.
New precipitation amounts of less than a tenth of an inch possible.


Thursday
Sunny
High: 74°
Sunny with a high near 74.
Calm wind becoming
northwest around 6 mph in the morning.


Thursday Night
Clear
Low: 52°
Clear with a low around 52.


Friday
Sunny
High: 77°
Sunny with a high near 77.


Friday Night
Partly Cloudy
Low: 59°
Partly cloudy with a low around 59.


Saturday
Chance T-storms
High: 76°
A chance of showers and thunderstorms.
Partly sunny with a high near 76.
Chance of precipitation is 30%.


Saturday Night
Chance T-storms
Low: 63°
A chance of showers and thunderstorms.
Mostly cloudy with a low around 63.
Chance of precipitation is 30%.


Sunday
Chance T-storms then Mostly Sunny
High: 81°
A chance of showers and thunderstorms.
Mostly sunny with a high near 81.
Chance of precipitation is 30%.


Sunday Night
Chance T-storms
Low: 66°
A chance of showers and thunderstorms.
Partly cloudy with a low around 66.
Chance of precipitation is 30%.


Monday
Chance T-storms
High: 81°
A chance of showers and thunderstorms.
Partly sunny with a high near 81.
Chance of precipitation is 40%.


Monday Night
Chance T-storms
Low: 67°
A chance of showers and thunderstorms.
Mostly cloudy with a low around 67.
Chance of precipitation is 30%.


Tuesday
Chance T-storms then Mostly Sunny
High: 84°
A chance of showers and thunderstorms.
Mostly sunny with a high near 84.


Source: National Weather Service








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