Forecast Details for Boston, MA

Recent Locations: Notrees, TX Houston, TX Boston, MA

Tonight: A chance of rain, mainly after 5am. Mostly cloudy, with a low around 42. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Thursday: A chance of rain before 2pm, then a slight chance of rain after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 64. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Thursday Night: Rain, mainly after 8pm. Patchy fog after 4am. Low around 44. Southwest wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday: Rain, mainly before 8am. Patchy fog before 7am. High near 50. North wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night: Mostly cloudy, with a low around 27. North wind around 6 mph.

Saturday: Partly sunny, with a high near 38. North wind around 7 mph.

Saturday Night: Partly cloudy, with a low around 27. West wind around 6 mph.

Sunday: Mostly sunny, with a high near 48. West wind 7 to 10 mph, with gusts as high as 20 mph.

Sunday Night: Partly cloudy, with a low around 35. Southwest wind around 8 mph.

Monday: Mostly cloudy, with a high near 54. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

Monday Night: Mostly cloudy, with a low around 40. Southwest wind 9 to 11 mph.

Tuesday: Partly sunny, with a high near 53. Northwest wind 8 to 10 mph.

Tuesday Night: A chance of rain. Mostly cloudy, with a low around 37. East wind around 8 mph. Chance of precipitation is 30%.

Wednesday: A chance of rain. Mostly cloudy, with a high near 48. East wind 8 to 10 mph. Chance of precipitation is 40%.

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North America Water Vapor (Moisture)

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Weather Topic: What is Graupel?

Home - Education - Precipitation - Graupel

Graupel Next Topic: Hail

Graupel is a form of precipitation that is created by atmospheric conditions which cause supercooled water droplets to contact snow crystals and freeze to their surface.

Sometimes known as soft hail or snow pellets, graupel is delicate and easily destroyed by touch. Whereas hail usually falls during severe weather, graupel doesn't require such conditions to form, and can form in mild precipitation similar to situations which produce snowfall.

Next Topic: Hail

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