Forecast Details for Washington, DC

Recent Locations: Washington, DC  
Overnight: Mostly clear early, then becoming cloudy, with a low around 46. Northwest wind 5 to 7 mph.
Sunday: A slight chance of showers. Cloudy through mid morning, then clearing, with a high near 70. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Sunday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 59. South wind 8 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Monday: A chance of showers before 2pm. Partly sunny, with a high near 69. Northwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday Night: Partly cloudy, with a low around 48. Northwest wind 7 to 9 mph.
Tuesday: Mostly sunny, with a high near 67.
Tuesday Night: Mostly clear, with a low around 44.
Wednesday: Sunny, with a high near 68.
Wednesday Night: Mostly clear, with a low around 47.
Thursday: Mostly sunny, with a high near 71.
Thursday Night: A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Friday: A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 30%.
Friday Night: Partly cloudy, with a low around 52.
Saturday: Mostly sunny, with a high near 73.

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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 is Precipitation?

Home - Education - Precipitation - Precipitation

Precipitation Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain

Weather Topic: What are Shelf Clouds?

Home - Education - Cloud Types - Shelf Clouds

Shelf Clouds Next Topic: Sleet

A shelf cloud is similar to a wall cloud, but forms at the front of a storm cloud, instead of at the rear, where wall clouds form.

A shelf cloud is caused by a series of events set into motion by the advancing storm; first, cool air settles along the ground where precipitation has just fallen. As the cool air is brought in, the warmer air is displaced, and rises above it, because it is less dense. When the warmer air reaches the bottom of the storm cloud, it begins to cool again, and the resulting condensation is a visible shelf cloud.

Next Topic: Sleet