September 18, 2018 Weather Forecast
Photo: James Grenz
**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
Dry and stable conditions with moderate trade winds will hold today. Trades are expected to trend down and become light over portions of the state tonight through Thursday as a weak trough of low pressure approaches and moves through the region. Warm and muggy conditions will be likely Wednesday due to light winds and increasing moisture, which should translate to increasing rainfall chances. A drying trend with breezy trades returning are expected Thursday night into the weekend.
Hilo
This Afternoon: Scattered showers. Partly sunny, with a high near 86. West wind around 5 mph becoming calm. 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 68. Calm wind becoming west southwest around 6 mph after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday: Occasional showers, mainly after noon. High near 86. Southwest wind 6 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Kona
This Afternoon: Isolated showers. Partly sunny, with a high near 83. West northwest wind 5 to 7 mph becoming calm. Chance of precipitation is 20%.
Tonight: Isolated showers before midnight. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.
Wednesday: A 30 percent chance of showers after noon. Partly sunny, with a high near 83. Calm wind becoming west southwest 5 to 8 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Waimea
This Afternoon: Scattered showers. Mostly cloudy, with a high near 80. Breezy, with a northeast wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight: Scattered showers before midnight. Mostly cloudy, with a low around 58. East northeast wind 5 to 10 mph becoming light east in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday: A 40 percent chance of showers after noon. Partly sunny, with a high near 80. Calm wind becoming north northeast 5 to 9 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Kohala
This Afternoon: Scattered showers. Partly sunny, with a high near 67. East northeast wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight: Scattered showers, mainly before midnight. Mostly cloudy, with a low around 53. East wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 40%.
Wednesday: A 50 percent chance of showers, mainly after noon. Partly sunny, with a high near 67. Calm wind becoming east northeast 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
South Point
This Afternoon: Isolated showers. Mostly sunny, with a high near 85. Breezy, with an east wind around 18 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tonight: Scattered showers, mainly after midnight. Partly cloudy, with a low around 76. Breezy, with an east northeast wind 17 to 20 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday: Showers likely, mainly after noon. Mostly cloudy, with a high near 85. Windy, with an east northeast wind 20 to 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.
Puna
This Afternoon: Scattered showers. Partly sunny, with a high near 85. East northeast wind 3 to 6 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 66. Light and variable wind becoming west around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday: Showers likely, mainly after noon. Mostly cloudy, with a high near 85. Light and variable wind becoming east southeast 5 to 10 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Waikoloa
This Afternoon: Partly sunny, with a high near 88. Northwest wind 5 to 8 mph becoming light and variable.
Tonight: Partly cloudy, with a low around 66. Light and variable wind.
Wednesday: A 30 percent chance of showers after noon. Increasing clouds, with a high near 88. Calm wind becoming west northwest 5 to 8 mph in the morning. New precipitation amounts of less than a tenth 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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