Forecast Details for Westford, MA

Recent Locations: Drake, KY Lost Springs, KS Westford, MA

Current Alerts for Westford, MA: Winter Weather Advisory

Tonight: Snow, mainly after 3am. Low around 18. Calm wind. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.

Saturday: Snow. High near 26. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Saturday Night: A chance of snow before 7pm. Mostly cloudy, with a low around 0. Wind chill values as low as -17. Northwest wind around 15 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Sunday: Mostly sunny, with a high near 15. Wind chill values as low as -18. Northwest wind 11 to 14 mph, with gusts as high as 29 mph.

Sunday Night: Mostly clear, with a low around 1. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.

Monday: Sunny, with a high near 26. Northwest wind 7 to 9 mph.

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

Tuesday: Sunny, with a high near 31. Northwest wind around 6 mph.

Tuesday Night: Partly cloudy, with a low around 11. Light northwest wind.

Wednesday: A chance of snow after 2pm. Mostly cloudy, with a high near 32. Calm wind becoming northeast around 5 mph. Chance of precipitation is 30%.

Wednesday Night: A chance of snow. Mostly cloudy, with a low around 19. Northwest wind 3 to 5 mph. Chance of precipitation is 40%.

Thursday: A chance of snow. Partly sunny, with a high near 34. Northwest wind around 7 mph. Chance of precipitation is 30%.

Thursday Night: A chance of snow. Mostly cloudy, with a low around 17. Northwest wind around 6 mph. Chance of precipitation is 30%.

Friday: Mostly cloudy, with a high near 33. Northwest wind 6 to 8 mph.

Want more detail? Get the Complete 7 Day and Night Detailed Forecast!

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 Altocumulus Clouds?

Home - Education - Cloud Types - 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

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