Forecast Details for Andover, MA

Recent Locations: Andover, MA

Overnight: Mostly clear, with a low around 21. West wind 8 to 10 mph.

Wednesday: Sunny, with a high near 38. West wind 3 to 6 mph.

Wednesday Night: Partly cloudy, with a low around 23. Southeast wind around 5 mph becoming calm in the evening.

Thursday: Mostly sunny, with a high near 44. Calm wind becoming south 5 to 7 mph in the morning.

Thursday Night: Mostly cloudy, with a low around 30. South wind 3 to 6 mph.

Friday: A slight chance of snow before 9am, then a slight chance of rain between 9am and 1pm. Partly sunny, with a high near 52. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.

Friday Night: Partly cloudy, with a low around 33. Southwest wind around 5 mph.

Saturday: A chance of rain and snow before 11am, then a chance of rain. Partly sunny, with a high near 49. Southwest wind 6 to 10 mph becoming south in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

Saturday Night: A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 34. Southwest wind around 8 mph. Chance of precipitation is 40%.

Sunday: A chance of rain. Mostly cloudy, with a high near 53. West wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

Sunday Night: A chance of rain and snow. Mostly cloudy, with a low around 33. West wind around 9 mph. Chance of precipitation is 40%.

Monday: Sunny, with a high near 47. Northwest wind around 11 mph, with gusts as high as 23 mph.

Monday Night: Mostly clear, with a low around 23. Northwest wind 7 to 9 mph.

Tuesday: Sunny, with a high near 44. West wind 6 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 Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation

Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds