Weather

August 15, 2018 Weather Forecast

August 15, 2018, 1:45 PM HST
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Photo Credit: James Grenz

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Our weather team will bring you any urgent weather alerts or updates as they occur. Check our breaking news section for the latest.

**Click directly on the images below to make them larger. Charts include: Hawaii Island high/low forecasted temperatures, projected winds, projected localized weather conditions and expected wave heights.**

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Looking Ahead

Light to moderate trade winds will prevail during the next few days. Moisture moving in from the east will produce an increase in humidity and windward rainfall across the eastern half of the island chain today, with afternoon clouds and spotty showers over leeward terrain on the Big Island and Maui. The increase in humidity and shower activity will spread to Oahu tonight then Kauai by Friday. A larger increase in humidity and shower activity is due this weekend, as another area of moisture moving along the increasing trade wind flow. Breezy and drier trade winds are expected on Monday.

ARTICLE CONTINUES BELOW AD

Hilo

ARTICLE CONTINUES BELOW AD

This Afternoon: Showers likely. Mostly cloudy, with a high near 86. Northeast wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely. Cloudy, with a low around 68. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Thursday: Frequent showers. Widespread haze. High near 86. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

ARTICLE CONTINUES BELOW AD

Kona

This Afternoon: Scattered showers. Widespread haze. Mostly cloudy, with a high near 81. West wind 5 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Isolated showers before midnight. Widespread haze. Cloudy, then gradually becoming partly cloudy, with a low around 67. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Thursday: Scattered showers after noon. Widespread haze. Partly sunny, with a high near 81. Calm wind becoming west around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Waimea

This Afternoon: Scattered showers. Partly sunny, with a high near 80. Breezy, with a northeast wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Scattered showers. Cloudy, with a low around 60. East northeast wind 10 to 13 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday: Scattered showers. Widespread haze. Cloudy, with a high near 81. Northeast wind around 11 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

Kohala

This Afternoon: Occasional showers. High near 66. East wind 8 to 11 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely, mainly after midnight. Cloudy, with a low around 55. Breezy, with an east wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Thursday: Showers likely. Widespread haze. Cloudy, with a high near 67. East wind 7 to 11 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

South Point

This Afternoon: Isolated showers. Widespread haze. Mostly sunny, with a high near 86. Breezy, with an east wind around 18 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Tonight: Scattered showers. Widespread haze. Cloudy, with a low around 76. Breezy, with an east northeast wind 15 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Thursday: Scattered showers. Widespread haze. Mostly cloudy, with a high near 87. Breezy, with an east wind 15 to 18 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.

Puna

This Afternoon: Occasional showers. High near 85. Northeast wind 8 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight: Occasional showers. Low around 66. North northeast wind 5 to 8 mph becoming west northwest in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Thursday: Frequent showers. Widespread haze. High near 85. Northwest wind 5 to 7 mph becoming northeast in the morning. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Waikoloa

This Afternoon: Sunny, with a high near 86. West northwest wind 5 to 8 mph.

Tonight: Mostly cloudy, with a low around 68. North northeast wind 5 to 7 mph becoming east southeast after midnight.

Thursday: Scattered showers after noon. Widespread haze. Increasing clouds, with a high near 86. East wind 5 to 8 mph becoming north in the morning. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Data Courtesy of NOAA.gov

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