Dangerous Surf and Rip Currents for most of the Atlantic Shoreline; Record Heat for the West

Hurricane Erin continues to track northward. Tropical storm force winds, storm surge conditions will increase for the Outer Banks today and portions of coastal Virginia. Life-threatening surf and rip currents along much of the east coast of the U.S. this week. Major to extreme HeatRisk with new record high temperatures are expected for many areas of the western U.S. this week. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Light Drizzle Fog/Mist

70°F

21°C

Humidity	93%
Wind Speed	E 3 mph
Barometer	29.99 in (1015.4 mb)
Dewpoint	68°F (20°C)
Visibility	2.50 mi
Last update	20 Aug 9:52 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles NW Catharpin VA

Today
High: 86 °F
Mostly Cloudy
then Chance
T-storms
Tonight
Low: 68 °F
Chance
T-storms then
Chance
Showers and
Patchy Fog
Thursday
High: 77 °F
Chance
Showers and
Patchy Fog
Thursday Night
Low: 63 °F
Partly Cloudy
Friday
High: 82 °F
Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 83 °F
Mostly Sunny
Saturday Night
Low: 66 °F
Partly Cloudy
Sunday
High: 84 °F
Partly Sunny
then Showers
Likely

Detailed Forecast

Today

A chance of thunderstorms, mainly after 5pm. Partly sunny, with a high near 86. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.

Tonight

A chance of showers and thunderstorms. Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 68. Northeast wind around 8 mph. Chance of precipitation is 40%.

Thursday

A chance of showers after 8am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 77. North wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Thursday Night

Partly cloudy, with a low around 63. North wind 8 to 10 mph.

Friday

Sunny, with a high near 82. North wind 6 to 8 mph.

Friday Night

Mostly clear, with a low around 62.

Saturday

Mostly sunny, with a high near 83.

Saturday Night

Partly cloudy, with a low around 66.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.

Sunday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Monday

Mostly sunny, with a high near 82.

Monday Night

Mostly clear, with a low around 58.

Tuesday

Sunny, with a high near 78.