July 17, 2018 Weather Forecast

Photo: James Grenz

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.**

Looking Ahead

High pressure north of the state will maintain moderate to breezy trade winds through the week, with the strongest winds holding through the next couple of days. Clouds and showers will favor windward and mauka areas, as well as the kona slopes of the Big Island each afternoon. A brief increase in shower activity is expected for the Big Island and possibly Maui tonight and Wednesday.

Hilo

This Afternoon: Isolated showers. Partly sunny, with a high near 87. Northeast wind 5 to 9 mph. Chance of precipitation is 20%.

Tonight: Frequent showers. Low around 71. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday: Showers likely. Mostly cloudy, with a high near 87. Calm wind becoming east 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Kona

This Afternoon: Widespread haze. Mostly cloudy, with a high near 85. West southwest wind 5 to 7 mph becoming calm.

Tonight: Isolated showers before midnight. Widespread haze. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.

Wednesday: Scattered showers after noon. Widespread haze. Increasing clouds, with a high near 85. West southwest wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Waimea

This Afternoon: Isolated showers. Mostly sunny, with a high near 80. Windy, with a northeast wind around 24 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

Tonight: Scattered showers. Mostly cloudy, with a low around 70. Windy, with a northeast wind 17 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday: Scattered showers. Partly sunny, with a high near 79. Breezy, with a northeast wind 17 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

Kohala

This Afternoon: Scattered showers. Partly sunny, with a high near 72. Windy, with an east wind around 26 mph, with gusts as high as 38 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely, mainly after midnight. Mostly cloudy, with a low around 61. Windy, with an east wind around 26 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday: Showers likely. Mostly cloudy, with a high near 70. Windy, with an east wind around 26 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

South Point

This Afternoon: Widespread haze. Mostly sunny, with a high near 86. Windy, with an east wind around 28 mph, with gusts as high as 37 mph.

Tonight: Scattered showers after midnight. Widespread haze. Partly cloudy, with a low around 74. Windy, with an east wind 25 to 29 mph, with gusts as high as 37 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday: Scattered showers. Widespread haze. Partly sunny, with a high near 85. Windy, with an east wind 25 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Puna

This Afternoon: Scattered showers. Partly sunny, with a high near 85. North northeast wind 11 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.

Tonight: Frequent showers. Low around 68. North wind 7 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday: Frequent showers. High near 84. Northeast wind 8 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Waikoloa

This Afternoon: Sunny, with a high near 87. Windy, with an east northeast wind 23 to 26 mph, with gusts as high as 38 mph.

Tonight: Mostly clear, with a low around 72. Windy, with an east wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 32 mph.

Wednesday: Sunny, with a high near 87. Breezy, with a northeast wind 11 to 17 mph, with gusts as high as 24 mph.

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Image: NOAA

Data Courtesy of NOAA.gov