Forecast Details for Boston, MA

Recent Locations: Boston, MA  
Overnight: Clear, with a low around 39. Southwest wind around 6 mph.
Saturday: Sunny, with a high near 62. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.
Saturday Night: Increasing clouds, with a low around 45. Southeast wind around 8 mph becoming southwest in the evening.
Sunday: A slight chance of showers between 10am and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.
Sunday Night: A slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 54. Southwest wind 7 to 9 mph. Chance of precipitation is 20%.
Monday: Partly sunny, with a high near 68. North wind 8 to 10 mph becoming east in the afternoon.
Monday Night: A chance of rain after 4am. Mostly cloudy, with a low around 50. Southeast wind 6 to 9 mph. Chance of precipitation is 30%.
Tuesday: A chance of rain before 7am, then a chance of rain after 2pm. Mostly cloudy, with a high near 62. Southeast wind 9 to 11 mph. Chance of precipitation is 30%.
Tuesday Night: A chance of rain before 5am. Mostly cloudy, with a low around 48. East wind around 11 mph. Chance of precipitation is 40%.
Wednesday: Mostly cloudy, with a high near 62. East wind around 10 mph.
Wednesday Night: Mostly cloudy, with a low around 48. East wind around 9 mph becoming south after midnight.
Thursday: Partly sunny, with a high near 68. Southwest wind 8 to 11 mph.
Thursday Night: A chance of rain. Mostly cloudy, with a low around 51. Southwest wind around 11 mph. Chance of precipitation is 30%.
Friday: Partly sunny, with a high near 64. Southwest wind 10 to 13 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

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Tomorrows National Weather Map

North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What are Altocumulus Clouds?

Home - Education - Cloud Types - Altocumulus Clouds

Altocumulus Clouds Next Topic: Altostratus Clouds

Similar to cirrocumulus clouds, altocumulus clouds are characterized by cloud patches. They are distinguished by larger cloudlets than cirrocumulus clouds but are still smaller than stratocumulus clouds.

Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km) and may resemble, at times, the shape of a flying saucer. These uncommon formations, called altocumulus lenticularis, are created by uplift in the atmosphere and are most often seen in close proximity to mountains.

Next Topic: Altostratus Clouds

Weather Topic: What are Cirrocumulus Clouds?

Home - Education - Cloud Types - Cirrocumulus Clouds

Cirrocumulus Clouds Next Topic: Cirrostratus Clouds

Cirrocumulus clouds form at high altitudes (usually around 5 km) and have distinguishing characteristics displayed in a fine layer of small cloud patches. These small cloud patches are sometimes referred to as "cloudlets" in relation to the whole cloud formation.

Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the water droplets in the cloud freeze into ice crystals and the cloud becomes a cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud formations generally pass rapidly.

Next Topic: Cirrostratus Clouds