September 19, 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

A trough of low pressure will move across the area over the next couple of days. Winds will be light favoring daytime sea breezes and nighttime land breezes. An increase is showers is expected with the troughs passage. Trade winds will return Friday and on through the weekend. An area of low pressure is expected to develop northwest of the area early next week with winds becoming lighter and out of a southeastly directions. Shower activity may increase over the west end of the state around the middle of next week.

Hilo

This Afternoon: Occasional showers. High near 86. East southeast wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight: Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Light and variable wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday: Occasional showers. High near 86. East southeast wind 6 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Kona

This Afternoon: Scattered showers. Partly sunny, with a high near 83. West southwest wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight: Scattered showers. Mostly cloudy, with a low around 67. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday: Scattered showers. Partly sunny, with a high near 83. Light northwest wind becoming west northwest 5 to 9 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a half and three quarters of an inch possible.

Waimea

This Afternoon: Scattered showers. Partly sunny, with a high near 80. North northeast wind 5 to 7 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

Tonight: Showers likely, mainly after midnight. Mostly cloudy, with a low around 58. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between 1 and 2 inches possible.

Thursday: Showers likely, mainly before noon. Mostly cloudy, with a high near 80. East wind 3 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between 1 and 2 inches possible.

Kohala

This Afternoon: Scattered showers. Partly sunny, with a high near 67. East wind around 5 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely, mainly after midnight. Mostly cloudy, with a low around 53. Calm wind becoming east southeast around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday: Showers likely. Mostly cloudy, with a high near 67. East southeast wind 5 to 13 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

South Point

This Afternoon: Showers likely. Mostly cloudy, with a high near 85. Windy, with an east northeast wind around 23 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Showers likely, mainly before midnight. Mostly cloudy, with a low around 76. Windy, with an east northeast wind 18 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday: Scattered showers. Partly sunny, with a high near 85. Windy, with an east wind 18 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Puna

This Afternoon: Showers likely. Mostly cloudy, with a high near 85. East southeast wind 8 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Tonight: Frequent showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 68. East southeast wind 5 to 8 mph becoming calm. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Thursday: Occasional showers. High near 85. East wind 6 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Waikoloa

This Afternoon: Scattered showers. Partly sunny, with a high near 88. West northwest wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight: Scattered showers. Mostly cloudy, with a low around 66. West northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday: Scattered showers, with thunderstorms also possible after noon. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 88. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters 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