FPHW60 PHFO 190115 SFPHFO State Forecast for Hawaii National Weather Service Honolulu HI 315 PM HST Mon May 18 2026 HIZ001-003-004-006-007-009>011-015>018-022-029>050-191615- Kauai-Oahu-Maui-Molokai-Lanai- 315 PM HST Mon May 18 2026 .TONIGHT...Partly cloudy. Scattered showers windward and mountains. isolated showers leeward. Lows 72 to 77. East winds 15 to 20 mph. .TUESDAY...Mostly sunny. Scattered showers windward and mountains. isolated showers leeward. Highs 83 to 88. East winds 15 to 20 mph. .TUESDAY NIGHT...Partly cloudy. Scattered showers windward and mountains. Lows 71 to 76. East winds 15 to 20 mph. .WEDNESDAY...Partly cloudy. Breezy. Windward and mountains, scattered showers. Highs 82 to 87. Lows 70 to 75. East winds 15 to 25 mph. .THURSDAY...Partly cloudy. Windy. Scattered showers windward and mountains. Highs 81 to 86. Lows 69 to 74. Northeast winds 15 to 30 mph. .FRIDAY...Partly cloudy. Breezy. Windward and mountains, scattered showers. Highs 80 to 85. Lows 69 to 74. Northeast winds 15 to 25 mph. .SATURDAY...Partly cloudy. Breezy. Windward and mountains, scattered showers. Highs 79 to 84. Lows 69 to 74. Northeast winds 15 to 25 mph. $$ HIZ023-026>028-051>054-191615- Big Island of Hawaii- 315 PM HST Mon May 18 2026 .TONIGHT...Windward, mostly cloudy, Numerous showers. Leeward, mostly cloudy in the evening then clearing, Scattered showers in the evening. Lows 70 to 75. Northeast winds around 15 mph. .TUESDAY...Partly sunny. Windward, numerous showers. Leeward, isolated showers in the morning, then scattered showers in the afternoon. Highs 83 to 88. Northeast winds 15 to 20 mph. .TUESDAY NIGHT...Mostly cloudy in the evening then clearing. Windward, numerous showers. Leeward, scattered showers in the evening. Isolated showers after midnight. Lows 70 to 75. Northeast winds around 15 mph. .WEDNESDAY...Partly cloudy. Windward, scattered showers during the day, then numerous showers at night. Leeward, scattered showers during the day. Isolated showers at night. Highs 83 to 88. Lows 69 to 74. Northeast winds 15 to 20 mph. .THURSDAY...Partly cloudy. Windward, isolated showers during the day, then scattered showers at night. Leeward, scattered showers during the day. Isolated showers at night. Highs 82 to 87. Lows 68 to 73. Northeast winds 15 to 20 mph. .FRIDAY...Partly cloudy. Windward, isolated showers during the day, then scattered showers at night. Leeward, scattered showers during the day. Isolated showers at night. Highs 81 to 86. Lows 68 to 73. Northeast winds 15 to 20 mph. .SATURDAY...Partly cloudy. Windward, isolated showers during the day, then scattered showers at night. Leeward, scattered showers. Highs 80 to 85. Lows 68 to 73. Northeast winds 15 to 20 mph. $$