Forecast Details for Boston, MA

Recent Locations: Boston, MA  
Today: Partly sunny, with a high near 54. East wind 5 to 13 mph.
Tonight: Showers, mainly after 3am. Patchy fog after 5am. Low around 46. South wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday: Showers before 1pm, then a slight chance of showers after 5pm. Patchy fog before 7am. High near 65. West wind 8 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 41. West wind around 14 mph.
Sunday: Sunny, with a high near 60. West wind 10 to 14 mph.
Sunday Night: Mostly clear, with a low around 41. West wind 9 to 13 mph.
Monday: Sunny, with a high near 61. Northwest wind around 14 mph.
Monday Night: Clear, with a low around 37. Northeast wind 8 to 11 mph becoming southwest after midnight.
Tuesday: Mostly sunny, with a high near 61. South wind 8 to 17 mph.
Tuesday Night: Mostly cloudy, with a low around 44. South wind 15 to 17 mph.
Wednesday: A chance of showers. Mostly cloudy, with a high near 60. Breezy, with a south wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Wednesday Night: A chance of showers. Partly cloudy, with a low around 36. West wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Thursday: Mostly sunny, with a high near 53. Breezy, with a west wind 18 to 21 mph, with gusts as high as 31 mph.

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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

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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 Hole Punch Clouds?

Home - Education - Cloud Types - Hole Punch Clouds

Hole Punch Clouds Next Topic: Mammatus Clouds

A hole punch cloud is an unusual occurrence when a disk-shaped hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.

When part of the cloud forms ice crystals, water droplets in the surrounding area of the cloud evaporate. The effect of this process produces a large elliptical gap in the cloud. The hole punch cloud formation is rare, but it is not specific to any geographic area.

Other names which have been used to describe this phenomena include fallstreak hole, skypunch, and cloud hole.

Next Topic: Mammatus Clouds

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