Forecast Details for Dedham, MA

Recent Locations: Hercules, CA Wasco, IL Dedham, MA

Tonight: Areas of fog after 2am. Otherwise, increasing clouds, with a low around 48. Light north wind.

Saturday: Areas of fog before 11am. Otherwise, cloudy, with a high near 51. Northeast wind 6 to 9 mph.

Saturday Night: A chance of showers between 9pm and 4am, then a slight chance of rain after 4am. Areas of fog. Otherwise, cloudy, with a low around 44. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Sunday: Rain before 4pm, then rain and snow likely. Some thunder is also possible. Patchy fog before 9am, then patchy fog after 10am. High near 55. South wind 5 to 9 mph becoming west in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.

Sunday Night: Rain and snow likely before 8pm, then a chance of rain between 8pm and midnight. Partly cloudy, with a low around 35. West wind 6 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Monday: A slight chance of rain after 2pm. Mostly sunny, with a high near 46. West wind 6 to 8 mph. Chance of precipitation is 20%.

Monday Night: Partly cloudy, with a low around 32. North wind around 6 mph.

Tuesday: Sunny, with a high near 52. North wind 5 to 7 mph becoming south in the afternoon.

Tuesday Night: Partly cloudy, with a low around 39. Southwest wind around 7 mph.

Wednesday: Partly sunny, with a high near 60. Southwest wind 7 to 9 mph.

Wednesday Night: Partly cloudy, with a low around 40. Northwest wind around 6 mph.

Thursday: Mostly sunny, with a high near 61. Northwest wind 5 to 8 mph.

Thursday Night: Partly cloudy, with a low around 42. Northwest wind around 6 mph.

Friday: Mostly sunny, with a high near 63. North wind 5 to 8 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 Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds

Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds