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July 21, 2019 Weather Forecast

July 21, 2019, 1:49 PM HST
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Photo: James Grenz

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**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

Hilo

ARTICLE CONTINUES BELOW AD

This Afternoon: Scattered showers. Mostly cloudy, with a high near 84. East wind 7 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

ARTICLE CONTINUES BELOW AD

Tonight: Scattered showers. Mostly cloudy, with a low around 68. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Monday: Scattered showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 84. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Kona

ARTICLE CONTINUES BELOW AD

This Afternoon: Isolated showers. Mostly cloudy, with a high near 82. West northwest wind around 6 mph. Chance of precipitation is 20%.

Tonight: Isolated showers. Mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Monday: Isolated showers, then scattered showers and thunderstorms after noon. Mostly cloudy, with a high near 81. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Waimea

This Afternoon: Scattered showers. Mostly cloudy, with a high near 79. Breezy, with a northeast wind 11 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.

Tonight: Isolated showers. Mostly cloudy, with a low around 60. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Monday: Isolated showers, then scattered showers and thunderstorms after noon. Mostly cloudy, with a high near 80. North northeast wind 9 to 13 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Kohala

This Afternoon: Scattered showers. Partly sunny, with a high near 65. Breezy, with an east wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Scattered showers. Mostly cloudy, with a low around 55. Breezy, with an east wind 9 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.

Monday: Scattered showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 66. Breezy, with an east wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

South Point

This Afternoon: Isolated showers. Mostly sunny, with a high near 86. Windy, with an east northeast wind around 24 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

Tonight: Scattered showers. Mostly cloudy, with a low around 76. Windy, with an east northeast wind 17 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Monday: Scattered showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 86. Breezy, with an east northeast wind 17 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Puna

This Afternoon: Scattered showers. Mostly cloudy, with a high near 82. East wind 7 to 11 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely, mainly after midnight. Mostly cloudy, with a low around 66. East wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 83. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Waikoloa

This Afternoon: Isolated showers. Mostly cloudy, with a high near 88. Breezy, with a northwest wind 7 to 15 mph becoming northeast. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

Tonight: Isolated showers before midnight. Mostly cloudy, with a low around 68. Breezy, with an east northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Monday: Scattered showers and thunderstorms after noon. Mostly cloudy, with a high near 86. East wind 6 to 11 mph becoming light and variable in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

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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