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NWS Baltimore, MD/Washington, D.C.
 Point Forecast: 3 Miles W Fairfax VA
 38.85°N 77.35°W
Mobile Weather Information | En Español
Last Update: 1:31 pm EDT Jul 20, 2019
Forecast Valid: 3pm EDT Jul 20, 2019-6pm EDT Jul 26, 2019
Forecast at a Glance
This
Afternoon

Hot
Hot

Hi 37 °C
Tonight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%
Slight Chc
Tstms
Lo 26 °C
Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%
Slight Chc
Tstms
Hi 37 °C
Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%
Chance
Tstms
Lo 24 °C
Monday

Heavy Rain Chance for Measurable Precipitation 80%
Heavy
Rain
Hi 32 °C
Monday
Night

Heavy Rain Chance for Measurable Precipitation 70%
Heavy
Rain
Lo 21 °C
Tuesday

Showers Likely Chance for Measurable Precipitation 60%
Showers
Likely
Hi 27 °C
Tuesday
Night

Partly Cloudy
Partly
Cloudy
Lo 18 °C
Wednesday

Mostly Sunny
Mostly
Sunny
Hi 28 °C

Detailed text forecast
This Afternoon: Mostly sunny and hot, with a high near 37. Heat index values as high as 42. West wind around 11 km/h.

Tonight: A slight chance of showers and thunderstorms between 7pm and 10pm. Partly cloudy, with a low around 26. West wind between 8 and 10 km/h. Chance of precipitation is 20%.

Sunday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 37. Heat index values as high as 41. West wind between 8 and 13 km/h. Chance of precipitation is 20%.

Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 24. West wind around 10 km/h becoming calm. Chance of precipitation is 40%. New rainfall amounts between 2.5 and 5 mm possible.

Monday: Showers likely and possibly a thunderstorm, then showers and thunderstorms after noon. Some of the storms could produce heavy rain. High near 32. Calm wind becoming west around 11 km/h. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.

Monday Night: Showers and thunderstorms likely, mainly before midnight. Some of the storms could produce heavy rain. Cloudy, with a low around 21. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.

Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 27. Chance of precipitation is 60%.

Tuesday Night: Partly cloudy, with a low around 18.

Wednesday: Mostly sunny, with a high near 28.

Wednesday Night: Partly cloudy, with a low around 17.

Thursday: Sunny, with a high near 29.

Thursday Night: Mostly clear, with a low around 18.

Friday: Mostly sunny, with a high near 31.


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view Yesterday's Weather

Washington-Dulles International Airport
Lat: 38.96   Lon: -77.45   Elev: 290
Last Update on Jul 20, 1:52 pm EDT

Partly Cloudy

34 °C
(94 °F)
Humidity: 44 %
Wind Speed: Vrbl 6 KM/H
Barometer: 29.89" (1011.6 mb)
Dewpoint: 21 °C (69 °F)
Heat Index: 37 °C (99 °F)
Visibility: 16 km.
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