Forecast Details for Washington, DC

Recent Locations: Washington, DC

Overnight: A slight chance of showers. Mostly cloudy, with a low around 66. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 82. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could be severe and produce heavy rainfall. Low around 44. West wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Tuesday: Sunny, with a high near 60. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.

Tuesday Night: Mostly clear, with a low around 43. Light east wind.

Wednesday: Partly sunny, with a high near 62.

Wednesday Night: Mostly cloudy, with a low around 54.

Thursday: A chance of showers after 2pm. Cloudy, with a high near 82. Chance of precipitation is 30%.

Thursday Night: A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.

Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

Friday Night: A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.

Saturday: Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

Saturday Night: A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.

Sunday: Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

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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.

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation

Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds