Forecast Details for Washington, DC

Recent Locations: Washington, DC  
Tonight: Partly cloudy, with a low around 40. South wind around 6 mph.
Sunday: Rain likely, mainly after 1pm. Increasing clouds, with a high near 51. South wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night: A slight chance of rain before 10pm, then a slight chance of rain after 1am. Cloudy, with a low around 41. Southwest wind 6 to 11 mph becoming light after midnight. Chance of precipitation is 20%.
Monday: A slight chance of rain before 1pm. Partly sunny, with a high near 58. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Monday Night: Mostly cloudy, with a low around 36. West wind 7 to 14 mph, with gusts as high as 21 mph.
Tuesday: A slight chance of snow before 1pm, then a slight chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.
Tuesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Wednesday: Mostly sunny, with a high near 40.
Wednesday Night: Mostly cloudy, with a low around 30.
Thursday: A chance of snow before 1pm, then a chance of rain. Cloudy, with a high near 43. Chance of precipitation is 40%.
Thursday Night: Mostly cloudy, with a low around 30.
Friday: Mostly cloudy, with a high near 41.
Friday Night: Partly cloudy, with a low around 25.
Saturday: Mostly sunny, with a high near 40.

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

Today's National Weather Map

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

Tomorrows National Weather Map

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

North American Water Vapor Map

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Cumulus Clouds Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle

Weather Topic: What is Evaporation?

Home - Education - Precipitation - Evaporation

Evaporation Next Topic: Fog

Evaporation is the process which returns water from the earth back to the atmosphere, and is another crucial process in the water cycle.

Evaporation is the transformation of liquid into gas, and it happens because molecules are excited by the application of energy and turn into vapor. In order for water to evaporate it has to be on the surface of a body of water.

Next Topic: Fog