Forecast Details for Philadelphia International Airport, PA

Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 37. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday: Patchy fog before 7am. Otherwise, sunny, with a high near 52. Northwest wind around 15 mph, with gusts as high as 30 mph.
Saturday Night: Partly cloudy, with a low around 43. West wind 10 to 15 mph.
Sunday: Mostly sunny, with a high near 55. West wind around 10 mph, with gusts as high as 20 mph.
Sunday Night: Partly cloudy, with a low around 38. West wind around 5 mph becoming calm in the evening.
Monday: Mostly sunny, with a high near 60.
Monday Night: A chance of rain after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Tuesday: Mostly sunny, with a high near 60.
Tuesday Night: Mostly clear, with a low around 37.
Wednesday: Mostly sunny, with a high near 50.
Wednesday Night: Mostly cloudy, with a low around 35.
Thanksgiving Day: A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Thursday Night: A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Friday: A chance of rain. Partly sunny, with a high near 44. Chance of precipitation is 40%.

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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 Cirrocumulus Clouds?

Home - Education - Cloud Types - Cirrocumulus Clouds

Cirrocumulus Clouds Next Topic: Cirrostratus Clouds

Cirrocumulus clouds form at high altitudes (usually around 5 km) and have distinguishing characteristics displayed in a fine layer of small cloud patches. These small cloud patches are sometimes referred to as "cloudlets" in relation to the whole cloud formation.

Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the water droplets in the cloud freeze into ice crystals and the cloud becomes a cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud formations generally pass rapidly.

Next Topic: Cirrostratus Clouds

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