Forecast Details for Northampton, MA

Recent Locations: Birchdale, MN Cheriton, VA Northampton, MA

Overnight: Rain. Low around 39. Northeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday: Rain likely, mainly before noon. Patchy fog before noon. Otherwise, cloudy, with a high near 44. Northeast wind 7 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night: A slight chance of showers before 9pm, then a chance of showers after 11pm. Patchy fog after 9pm. Otherwise, cloudy, with a low around 36. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

Friday: A chance of showers, mainly before 7am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 69. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

Friday Night: Mostly cloudy, with a low around 51. South wind 5 to 8 mph becoming west after midnight.

Saturday: A slight chance of showers after 2pm. Partly sunny, with a high near 67. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

Saturday Night: A chance of showers. Cloudy, with a low around 41. East wind 5 to 8 mph. Chance of precipitation is 40%.

Sunday: Showers, mainly before 5pm. High near 63. South wind 7 to 11 mph. Chance of precipitation is 90%.

Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 35. West wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Monday: Partly sunny, with a high near 51. West wind 10 to 14 mph.

Monday Night: Mostly clear, with a low around 30. West wind 3 to 7 mph.

Tuesday: Mostly sunny, with a high near 50. Northwest wind 5 to 11 mph.

Tuesday Night: Mostly clear, with a low around 25. North wind 5 to 7 mph.

Wednesday: Sunny, with a high near 50. North wind around 6 mph becoming southwest in the afternoon.

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North America Water Vapor (Moisture)

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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

Weather Topic: What are Cirrostratus Clouds?

Home - Education - Cloud Types - Cirrostratus Clouds

Next Topic: Cirrus Clouds

Cirrostratus clouds are high, thin clouds that form above 20,000 feet and are made mostly of ice crystals. They sometimes look like giant feathers, horse tails, or curls of hair in the sky. These clouds are pushed by the jet stream and can move at high speeds reaching 100 mph.

What do they indicate?
They indicate that a precipitation is likely within 24 hours.

Next Topic: Cirrus Clouds