Forecast Details for York, PA

Recent Locations: York, PA  
Current Alerts for York, PA: Special Weather Statement
Today: Mostly sunny, with a high near 84. Calm wind becoming west 5 to 9 mph in the morning.
Tonight: Partly cloudy, with a low around 60. Southwest wind 5 to 7 mph.
Monday: Sunny, with a high near 87. West wind 5 to 8 mph.
Monday Night: Partly cloudy, with a low around 63. South wind around 6 mph.
Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night: A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday: A chance of showers after 8am. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Wednesday Night: Partly cloudy, with a low around 56.
Thursday: Mostly sunny, with a high near 79.
Thursday Night: Partly cloudy, with a low around 55.
Friday: A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Friday Night: A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Saturday: A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 50%.

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

Tomorrows National Weather Map

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

North American Water Vapor Map

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