5-Day Forecast for Philadelphia, PA

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5-Day Forecast

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More Philadelphia, PA Links:    Yesterday's Weather  -   7-Day Forecast Details  -   Radar  -   Current Time

Change Units:    °F and mph  -   °C and km/h  -   °C and mph (U.K.)

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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

The Current National Weather Forecast and National Weather Map are shown below.

Todays 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

National Weather Alerts and Warnings

National Weather Alerts and Warnings. Note that Coordinated Universal Time (UTC) is a 24-hour time standard, is determined using atomic clocks, and expresses the mean solar time at the Earth's prime meridian (zero degrees longitude) located near Greenwich, England. Time zones around the world are expressed as positive or negative offsets from UTC (Eastern Time is -4 hours and Pacific Time is -7 hours). UTC is also often casually interchanged with Greenwich Mean Time (GMT).

National Weather Alerts Map












Weather Topic: What is Graupel?

Home - Education - Precipitation - Graupel

graupel Next Topic: Hail

Graupel is a form of precipitation that is created by atmospheric conditions which cause supercooled water droplets to contact snow crystals and freeze to their surface.

Sometimes known as soft hail or snow pellets, graupel is delicate and easily destroyed by touch. Whereas hail usually falls during severe weather, graupel doesn't require such conditions to form, and can form in mild precipitation similar to situations which produce snowfall.

Next Topic: Hail

Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

precipitation Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain

This page shows the 5-day weather forecast for the following ZIP codes:
19019, 19092, 19093, 19101, 19102, 19103, 19104, 19105, 19106, 19107, 19108, 19109, 19110, 19111, 19112, 19113, 19114, 19115, 19116, 19118, 19119, 19120, 19121, 19122, 19123, 19124, 19125, 19126, 19127, 19128, 19129, 19130, 19131, 19132, 19133, 19134, 19135, 19136, 19137, 19138, 19139, 19140, 19141, 19142, 19143, 19144, 19145, 19146, 19147, 19148, 19149, 19150, 19151, 19152, 19153, 19154, 19155, 19160, 19161, 19170, 19171, 19172, 19173, 19175, 19176, 19178, 19179, 19181, 19182, 19183, 19184, 19185, 19188, 19190, 19191, 19192, 19195, 19196, 19197, 19244, 19255