Forecast Details for Osterville, MA

Recent Locations: Clements, MD Lockney, TX Osterville, MA

Today: Rain, mainly before noon. Patchy fog before 4pm, then patchy fog after 5pm. High near 41. Northeast wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Tonight: Patchy fog. Otherwise, cloudy, with a low around 37. East wind 6 to 10 mph, with gusts as high as 22 mph.

Friday: Patchy fog before 1pm. Otherwise, cloudy, with a high near 51. Southeast wind 6 to 14 mph becoming southwest in the afternoon.

Friday Night: Patchy fog between 7pm and 9pm. Otherwise, mostly cloudy, with a low around 43. Southwest wind around 14 mph, with gusts as high as 25 mph.

Saturday: Partly sunny, with a high near 53. Northwest wind 7 to 11 mph becoming northeast in the afternoon.

Saturday Night: Cloudy, with a low around 39. East wind around 9 mph.

Sunday: Showers, mainly after 8am. High near 54. Southwest wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

Sunday Night: Showers, mainly before 9pm. Low around 39. West wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

Monday: Mostly sunny, with a high near 49. West wind 9 to 11 mph.

Monday Night: Mostly clear, with a low around 36. West wind 6 to 9 mph.

Tuesday: Mostly sunny, with a high near 46. Southwest wind 6 to 9 mph.

Tuesday Night: Partly cloudy, with a low around 32. North wind 6 to 11 mph.

Wednesday: Sunny, with a high near 40. North wind 8 to 10 mph.

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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)

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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

Weather Topic: What is Snow?

Home - Education - Precipitation - Snow

Snow Next Topic: Stratocumulus Clouds

Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake, has unique characteristics, but all of them grow in a hexagonal structure. Snowfall can last for sustained periods of time and result in significant buildup of snow on the ground.

On the earth's surface, snow starts out light and powdery, but as it begins to melt it tends to become more granular, producing small bits of ice which have the consistency of sand. After several cycles of melting and freezing, snow can become very dense and ice-like, commonly known as snow pack.

Next Topic: Stratocumulus Clouds