Forecast Details for New Brighton, PA

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Today: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 63. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 54. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 64. Northwest wind 3 to 7 mph.
Wednesday Night: Showers, mainly after 2am. Low around 42. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday: Showers. High near 50. West wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night: A chance of rain showers, mixing with snow after midnight, then gradually ending. Mostly cloudy, with a low around 32. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday: A chance of snow showers before 9am, then a chance of rain and snow showers between 9am and 11am, then a chance of rain showers after 11am. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Friday Night: Mostly cloudy, with a low around 30.
Saturday: Mostly sunny, with a high near 52.
Saturday Night: Mostly cloudy, with a low around 37.
Sunday: A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
Sunday Night: Showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Monday: A chance of showers. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.

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Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds

Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

Sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow