September 22, 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 stable trade wind flow pattern will persist into Sunday with high pressure to the north of the islands. A surface low forming to the northwest of Kauai will cause winds to become south to southeast as Sunday wears on. This will increase instability around the islands, particularly over the western end of the island chain for the first half of the new week.

Hilo

This Afternoon: Isolated showers. Partly sunny, with a high near 86. East northeast wind 3 to 7 mph. Chance of precipitation is 20%.

Tonight: Scattered showers. Mostly cloudy, with a low around 69. Light and variable wind becoming southwest around 6 mph after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Sunday: Scattered showers, mainly before noon. Partly sunny, with a high near 85. East southeast wind 6 to 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Kona

This Afternoon: Isolated showers. Cloudy, with a high near 85. West southwest wind around 6 mph becoming calm. Chance of precipitation is 20%.

Tonight: Isolated showers before midnight. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.

Sunday: Scattered showers after noon. Mostly sunny, with a high near 84. West northwest wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Waimea

This Afternoon: Mostly sunny, with a high near 80. Northeast wind 10 to 14 mph, with gusts as high as 18 mph.

Tonight: Scattered showers. Mostly cloudy, with a low around 60. East northeast wind 5 to 10 mph becoming light north in the evening. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday: Scattered showers. Mostly cloudy, with a high near 79. East northeast wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Kohala

This Afternoon: Isolated showers. Partly sunny, with a high near 76. East northeast wind 8 to 11 mph. Chance of precipitation is 20%.

Tonight: Scattered showers. Mostly cloudy, with a low around 58. East wind 6 to 11 mph becoming light east northeast in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Sunday: Scattered showers. Mostly cloudy, with a high near 75. East southeast wind 3 to 7 mph. Chance of precipitation is 50%. 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 17 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Tonight: Mostly clear, with a low around 77. Breezy, with an east wind around 17 mph, with gusts as high as 22 mph.

Sunday: Sunny, with a high near 85. Breezy, with an east southeast wind 11 to 17 mph, with gusts as high as 22 mph.

Puna

This Afternoon: Isolated showers. Partly sunny, with a high near 84. Northeast wind 5 to 8 mph. Chance of precipitation is 20%.

Tonight: Showers likely, mainly after midnight. Mostly cloudy, with a low around 68. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday: Showers likely, mainly before noon. Mostly cloudy, with a high near 83. East southeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Waikoloa

This Afternoon: Sunny, with a high near 87. Northwest wind 5 to 8 mph becoming calm.

Tonight: Mostly clear, with a low around 69. Calm wind.

Sunday: Scattered showers after noon. Increasing clouds, with a high near 86. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 40%. 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