Forecast Details for Andover, MA

Recent Locations: Valley Springs, AR Carol Stream, IL Andover, MA

Today: Sunny, with a high near 49. Calm wind becoming south around 6 mph in the afternoon.

Tonight: Mostly cloudy, with a low around 34. South wind around 8 mph.

Wednesday: A chance of rain, mainly after 7am. Cloudy, with a high near 46. South wind around 8 mph. Chance of precipitation is 40%.

Wednesday Night: A slight chance of rain before 9pm, then a slight chance of rain after 2am. Mostly cloudy, with a low around 38. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Thursday: A slight chance of rain before 10am, then a chance of showers, mainly between 10am and 3pm. Partly sunny, with a high near 56. Light west wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 30%.

Thursday Night: Partly cloudy, with a low around 38. Northwest wind 3 to 6 mph.

Friday: Mostly sunny, with a high near 57. North wind 5 to 7 mph.

Friday Night: Partly cloudy, with a low around 35. Light and variable wind.

Saturday: Mostly sunny, with a high near 56. Light and variable wind becoming east 5 to 7 mph in the morning.

Saturday Night: Mostly cloudy, with a low around 38. Light and variable wind.

Sunday: Partly sunny, with a high near 57. Calm wind becoming east 5 to 7 mph in the afternoon.

Sunday Night: Mostly cloudy, with a low around 39. Light east wind.

Monday: Partly sunny, with a high near 59. East wind 3 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 is Condensation?

Home - Education - Precipitation - Condensation

Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds