Forecast Details for Havertown, PA

Recent Locations: Havertown, PA  
Overnight: Mostly clear, with a low around 61. West wind around 5 mph.
Monday: Patchy fog before 7am. Otherwise, sunny, with a high near 86. North wind 5 to 10 mph.
Monday Night: Mostly clear, with a low around 62. Southeast wind around 5 mph.
Tuesday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 30%. 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 before 2am, then a slight chance of showers. Mostly cloudy, with a low around 60. Southeast wind 5 to 10 mph becoming northeast after midnight. 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, mainly after 8am. Partly sunny, with a high near 75. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night: Partly cloudy, with a low around 54.
Thursday: Mostly sunny, with a high near 76.
Thursday Night: Partly cloudy, with a low around 53.
Friday: Partly sunny, with a high near 78.
Friday Night: Mostly cloudy, with a low around 58.
Saturday: A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Saturday Night: A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Sunday: A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.

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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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North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Cumulus Clouds Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle

Weather Topic: What is Evaporation?

Home - Education - Precipitation - Evaporation

Evaporation Next Topic: Fog

Evaporation is the process which returns water from the earth back to the atmosphere, and is another crucial process in the water cycle.

Evaporation is the transformation of liquid into gas, and it happens because molecules are excited by the application of energy and turn into vapor. In order for water to evaporate it has to be on the surface of a body of water.

Next Topic: Fog