Forecast Details for Gorham, NH

Recent Locations: Cobleskill, NY Viola, WI Gorham, NH

Tonight: Mostly cloudy, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.

Thursday: Partly sunny, with a high near 42. Southeast wind 5 to 10 mph.

Thursday Night: Rain, snow, freezing rain, and sleet likely before 1am, then freezing rain and sleet likely between 1am and 2am, then freezing rain likely after 2am. Cloudy, with a low around 29. Southeast wind around 5 mph. Chance of precipitation is 70%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.

Friday: Freezing rain, possibly mixed with rain, becoming all rain after 7am. High near 59. Southeast wind around 5 mph. Chance of precipitation is 80%.

Friday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 42. West wind 5 to 10 mph.

Saturday: Mostly cloudy, with a high near 55.

Saturday Night: Showers, mainly after 10pm. Low around 33. Chance of precipitation is 80%.

Sunday: Showers. High near 55. Chance of precipitation is 90%.

Sunday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

Monday: Partly sunny, with a high near 42.

Monday Night: Mostly cloudy, with a low around 25.

Tuesday: Partly sunny, with a high near 39.

Tuesday Night: Partly cloudy, with a low around 18.

Wednesday: Sunny, with a high near 41.

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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 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

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle