Forecast Details for Philadelphia, PA

Recent Locations: Philadelphia, PA  
Tonight: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 51. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday: A chance of showers, mainly before 8am. Patchy fog before 4pm, then patchy fog after 5pm. Otherwise, cloudy, with a high near 55. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night: Patchy fog before 7pm. Otherwise, cloudy, with a low around 46. Northeast wind 5 to 10 mph.
Friday: Cloudy, with a high near 61. East wind 5 to 10 mph becoming southeast in the afternoon.
Friday Night: A slight chance of showers after 2am. Cloudy, with a low around 51. Southeast wind around 5 mph becoming west after midnight. Chance of precipitation is 20%.
Saturday: Partly sunny, with a high near 65.
Saturday Night: Partly cloudy, with a low around 44.
Sunday: Mostly sunny, with a high near 61.
Sunday Night: Mostly cloudy, with a low around 44.
Monday: Sunny, with a high near 66.
Monday Night: Mostly clear, with a low around 44.
Tuesday: Mostly sunny, with a high near 68.
Tuesday Night: A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Wednesday: A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.

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Current U.S. National Radar--Current

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North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What are Hole Punch Clouds?

Home - Education - Cloud Types - Hole Punch Clouds

Hole Punch Clouds Next Topic: Mammatus Clouds

A hole punch cloud is an unusual occurrence when a disk-shaped hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.

When part of the cloud forms ice crystals, water droplets in the surrounding area of the cloud evaporate. The effect of this process produces a large elliptical gap in the cloud. The hole punch cloud formation is rare, but it is not specific to any geographic area.

Other names which have been used to describe this phenomena include fallstreak hole, skypunch, and cloud hole.

Next Topic: Mammatus Clouds

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation