Forecast Details for Royalston, MA

Recent Locations: Roslindale, MA   Cebolla, NM   Royalston, MA  
Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 49. East wind around 6 mph becoming calm in the evening.
Monday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 78. Light and variable wind.
Monday Night: Partly cloudy, with a low around 53. Light southwest wind.
Tuesday: Mostly sunny, with a high near 86. Southwest wind 3 to 7 mph.
Tuesday Night: Partly cloudy, with a low around 61. Southwest wind 3 to 5 mph.
Wednesday: Sunny, with a high near 88. Calm wind becoming southwest 5 to 9 mph in the morning.
Wednesday Night: Partly cloudy, with a low around 62. South wind around 7 mph.
Thursday: A chance of showers after 2pm. Partly sunny, with a high near 83. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 55. West wind 5 to 7 mph. Chance of precipitation is 30%.
Friday: Sunny, with a high near 74. West wind 6 to 9 mph.
Friday Night: Mostly clear, with a low around 48. West wind around 6 mph becoming calm in the evening.
Saturday: Mostly sunny, with a high near 74. Northwest wind 3 to 7 mph.
Saturday Night: Partly cloudy, with a low around 49. Light and variable wind.
Sunday: Mostly sunny, with a high near 73. South wind 3 to 7 mph.

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Current U.S. National Radar--Current

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Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

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Tomorrows National Weather Map

North America Water Vapor (Moisture)

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Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

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

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