Forecast Details for Wernersville, PA

Recent Locations: Wernersville, PA  
Overnight: Scattered showers. Cloudy, with a low around 49. Southwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday: Cloudy through mid morning, then gradual clearing, with a high near 63. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Saturday Night: Mostly clear, with a low around 37. Northwest wind 5 to 15 mph.
Sunday: Partly sunny, with a high near 57. West wind 5 to 15 mph.
Sunday Night: Partly cloudy, with a low around 38. West wind 5 to 10 mph.
Monday: Sunny, with a high near 60.
Monday Night: Mostly clear, with a low around 38.
Tuesday: Mostly sunny, with a high near 64.
Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Wednesday: Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 63. Breezy. Chance of precipitation is 60%.
Wednesday Night: A chance of showers. Partly cloudy, with a low around 37. Chance of precipitation is 30%.
Thursday: Sunny, with a high near 57.
Thursday Night: Mostly clear, with a low around 37.
Friday: Mostly sunny, with a high near 62.

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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

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North America Water Vapor (Moisture)

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North American Water Vapor Map

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

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