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NWS Baltimore, MD/Washington, D.C.
 Point Forecast: Lorton VA
 38.69°N 77.23°W
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Last Update: 6:03 pm EDT Jul 29, 2010
Forecast Valid: 9pm EDT Jul 29, 2010-6pm EDT Aug 5, 2010
Forecast at a Glance
Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 20%
Isolated
Tstms
Lo 67 °F
Friday

Sunny
Sunny

Hi 87 °F
Friday
Night

Partly Cloudy
Partly
Cloudy
Lo 64 °F
Saturday

Partly Sunny
Partly
Sunny
Hi 86 °F
Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%
Chance
Tstms
Lo 67 °F
Sunday

Chance Thunderstorms Chance for Measurable Precipitation 50%
Chance
Tstms
Hi 83 °F
Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%
Chance
Tstms
Lo 69 °F
Monday

Partly Sunny
Partly
Sunny
Hi 86 °F
Monday
Night

Mostly Cloudy
Mostly
Cloudy
Lo 70 °F

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Detailed text forecast
Hazardous weather condition(s):

Tonight: Isolated showers and thunderstorms before 10pm. Partly cloudy, with a low around 67. North wind between 6 and 9 mph. Chance of precipitation is 20%.

Friday: Sunny, with a high near 87. North wind between 5 and 8 mph.

Friday Night: Partly cloudy, with a low around 64. North wind around 5 mph becoming calm.

Saturday: Partly sunny, with a high near 86. Calm wind becoming south around 5 mph.

Saturday Night: A chance of showers and thunderstorms, mainly after 8pm. Cloudy, with a low around 67. South wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

Monday: Mostly cloudy, with a high near 86.

Monday Night: Mostly cloudy, with a low around 70.

Tuesday: Partly sunny, with a high near 90.

Tuesday Night: Mostly cloudy, with a low around 74.

Wednesday: Partly sunny, with a high near 93.

Wednesday Night: Mostly cloudy, with a low around 74.

Thursday: Partly sunny, with a high near 93.


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Lat/Lon: 38.69°N 77.23°W   Elevation:98 ft
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view Yesterday's Weather

Fort Belvoir
Lat: 38.73   Lon: -77.18   Elev: 89
Last Update on Jul 29, 7:55 pm EDT

A Few Clouds

80 °F
(27 °C)
Humidity: 86 %
Wind Speed: Calm
Barometer: 29.84" (1010.7 mb)
Dewpoint: 75 °F (24 °C)
Heat Index: 85 °F (29 °C)
Visibility: 10.00 mi.
More Local Wx:3 Day History:
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