Forecast Details for John F Kennedy International Airport, NY

Recent Locations: John F Kennedy International Airport, NY

Tonight: A slight chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Patchy fog. Otherwise, cloudy, with a low around 53. Southwest wind 8 to 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday: Showers likely and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 64. Northwest wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night: A 20 percent chance of light rain after 2am. Mostly cloudy, with a low around 45. North wind around 7 mph becoming northeast after midnight.

Saturday: A chance of light rain before noon, then rain after noon. High near 53. East wind 13 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night: A 50 percent chance of showers, mainly before 2am. Cloudy, with a temperature rising to around 50 by 4am. East wind 6 to 10 mph.

Sunday: A 50 percent chance of showers after 8am. Mostly cloudy, with a high near 64.

Sunday Night: Showers. Low around 44. Chance of precipitation is 80%.

Monday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.

Monday Night: Mostly cloudy, with a low around 42.

Tuesday: Partly sunny, with a high near 51.

Tuesday Night: Mostly clear, with a low around 34.

Wednesday: Sunny, with a high near 51.

Wednesday Night: Mostly clear, with a low around 38.

Thursday: Mostly sunny, with a high near 54.

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North America Water Vapor (Moisture)

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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