State Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
768 FPHW60 PHFO 201341 SFPHFO State Forecast for Hawaii National Weather Service Honolulu HI 341 AM HST Sun Sep 20 2026 HIZ001-003-004-006-007-009>011-015>018-022-029>050-210430- Kauai-Oahu-Maui-Molokai-Lanai- 341 AM HST Sun Sep 20 2026 .TODAY...Mostly sunny. Breezy. Windward and mountains, scattered showers through the day. Highs 85 to 90. East winds 15 to 25 mph. .TONIGHT...Partly cloudy. Breezy. Windward and mountains, scattered showers through the night. Lows 74 to 79. East winds 15 to 25 mph. .MONDAY THROUGH TUESDAY...Partly cloudy. Breezy. Windward and mountains, isolated showers during the day. Scattered showers at night. Highs 85 to 90. Lows 75 to 80. Northeast to east winds 15 to 25 mph. .WEDNESDAY...Mostly cloudy. Breezy. Scattered showers during the day, isolated showers at night. Highs 85 to 90. Lows 75 to 80. East winds 15 to 25 mph. .THURSDAY...Mostly cloudy. Breezy. Scattered showers windward, isolated showers leeward. Isolated thunderstorms. Locally heavy rainfall possible. Highs 84 to 89. Lows 74 to 79. East winds 15 to 25 mph. $$ HIZ023-026>028-051>054-210430- Big Island of Hawaii- 341 AM HST Sun Sep 20 2026 .TODAY...Partly sunny windward. Mostly sunny leeward. Breezy. Scattered showers. Highs 87 to 92. Northeast winds 15 to 25 mph. .TONIGHT...Partly cloudy. Breezy. Leeward, isolated showers in the evening. Windward, scattered showers. Lows 72 to 77. Northeast winds 15 to 25 mph. .MONDAY...Windward, mostly cloudy with isolated showers during the day, then scattered showers at night. Leeward, mostly clear. Breezy. Highs 89 to 94. Lows 73 to 78. East winds 15 to 25 mph. .TUESDAY...Leeward, partly cloudy. Windward, scattered showers during the day, then occasional showers at night. Highs 86 to 91. Lows 73 to 78. East winds around 15 mph. .WEDNESDAY...Mostly cloudy. Windward, numerous showers during the day. Isolated thunderstorms. Showers at night. Leeward, scattered showers. Locally heavy rainfall possible. Highs 84 to 89. Lows 72 to 77. East winds around 15 mph. .THURSDAY...Mostly cloudy. Numerous showers windward. scattered showers leeward. Isolated thunderstorms. Locally heavy rainfall possible. Highs 83 to 88. Lows 72 to 77. East winds 15 to 20 mph. $$