Forecast Details for Honolulu, HI

Recent Locations: Honolulu, HI  
Today: Partly sunny, with a high near 84. East wind 7 to 11 mph.
Tonight: Partly cloudy, with a low around 70. East northeast wind 9 to 11 mph.
Tuesday: Mostly sunny, with a high near 84. East wind 9 to 13 mph.
Tuesday Night: Scattered showers. Partly cloudy, with a low around 72. East northeast wind around 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday: Scattered showers before noon. Mostly sunny, with a high near 85. Breezy, with an east wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night: Scattered showers. Partly cloudy, with a low around 72. Breezy, with an east northeast wind 15 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday: Scattered showers, mainly before noon. Mostly sunny, with a high near 85. Breezy, with an east northeast wind 17 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Thursday Night: Scattered showers. Mostly cloudy, with a low around 72. Breezy, with an east northeast wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Friday: Scattered showers, mainly before noon. Mostly sunny, with a high near 84. Breezy, with an east northeast wind around 22 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Friday Night: Scattered showers. Partly cloudy, with a low around 72. Breezy, with an east northeast wind 18 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Saturday: Scattered showers. Mostly sunny, with a high near 84. Breezy, with an east northeast wind around 22 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Saturday Night: Scattered showers. Partly cloudy, with a low around 72. Breezy, with an east northeast wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Sunday: Scattered showers. Mostly sunny, with a high near 83. Breezy, with an east northeast wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

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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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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

Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

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