Weather

March 20, 2018 Weather Forecast

March 20, 2018, 6:00 AM HST
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Photo: James Grenz

There are no active watches, warnings or advisories

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

Trade winds will increase to locally breezy levels by Wednesday, then ease toward the weekend as high pressure first strengthens to our north then weakens as it gets edged out by a front approaching from the west. Trade winds will push clouds and showers across the islands, focusing rainfall mainly across windward and mauka areas, with only light amounts expected. Showers will increase late in the work week and over the weekend as a weak surface low forms along a trough across the islands, with locally heavy rainfall possible.

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Hilo

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Today: Scattered showers, mainly before 1pm. Mostly cloudy, with a high near 77. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Scattered showers, mainly after 7pm. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming light and variable. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday: Scattered showers, mainly before 1pm. Mostly cloudy, with a high near 78. Northeast wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

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Kona

Today: Isolated showers after noon. Widespread haze. Partly sunny, with a high near 78. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

Tonight: Scattered showers before midnight. Widespread haze. Mostly cloudy, with a low around 65. Calm wind becoming west northwest around 6 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday: Isolated showers after noon. Widespread haze. Partly sunny, with a high near 79. West wind 5 to 9 mph. Chance of precipitation is 20%.

Waimea

Today: Scattered showers, mainly before noon. Mostly cloudy, with a high near 70. Breezy, with a northeast wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Isolated showers. Mostly cloudy, with a low around 53. Breezy, with a northeast wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Wednesday: Isolated showers. Partly sunny, with a high near 71. East northeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Kohala

Today: Scattered showers. Mostly cloudy, with a high near 65. Breezy, with an east wind 7 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. Mostly cloudy, with a low around 45. Breezy, with an east wind 9 to 16 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.

Wednesday: Scattered showers. Mostly cloudy, with a high near 66. East southeast wind 7 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

South Point

Today: Isolated showers. Widespread haze. Partly sunny, with a high near 78. Breezy, with an east northeast wind 18 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Tonight: Isolated showers. Widespread haze. Mostly cloudy, with a low around 71. Windy, with an east northeast wind 20 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Wednesday: Isolated showers. Widespread haze. Partly sunny, with a high near 79. Windy, with an east wind 23 to 25 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

Puna

Today: Scattered showers. Mostly cloudy, with a high near 76. North northwest wind 6 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Scattered showers. Mostly cloudy, with a low around 62. North northeast wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday: Scattered showers. Mostly cloudy, with a high near 77. North northeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Waikoloa

Today: Partly sunny, with a high near 78. Breezy, with an east northeast wind 10 to 17 mph, with gusts as high as 24 mph.

Tonight: Mostly cloudy, with a low around 63. Breezy, with an east northeast wind 9 to 17 mph, with gusts as high as 24 mph.

Wednesday: Partly sunny, with a high near 79. Northeast wind 7 to 9 mph.

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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