FPHW60 PHFO 041321 SFPHFO State Forecast for Hawaii National Weather Service Honolulu HI 321 AM HST Mon May 4 2026 HIZ001-003-004-006-007-009>011-015>018-022-029>050-050430- Kauai-Oahu-Maui-Molokai-Lanai- 321 AM HST Mon May 4 2026 .TODAY AND TONIGHT...Partly cloudy. Scattered showers windward and mountains. Isolated showers leeward. Highs 79 to 84. Northeast winds 10 to 20 mph decreasing to 10 to 15 mph tonight. .TUESDAY THROUGH THURSDAY...Partly cloudy with scattered afternoon showers. Highs 79 to 84. Lows 68 to 73. Variable winds 5 to 15 mph with daytime sea breezes and overnight land breezes. .FRIDAY...Partly cloudy. Scattered showers windward and mountains. Isolated showers leeward. Highs 81 to 86. Lows 69 to 74. Northeast winds around 15 mph. $$ HIZ023-026>028-051>054-050430- Big Island of Hawaii- 321 AM HST Mon May 4 2026 .TODAY THROUGH TUESDAY...Partly sunny. Scattered showers windward. Isolated showers leeward, mainly through the afternoon. Highs 80 to 85. Lows 68 to 73. East winds 10 to 20 mph. .WEDNESDAY AND THURSDAY...Partly to mostly cloudy with scattered showers. Highs 81 to 86. Lows 69 to 74. Variable winds 5 to 15 mph. .FRIDAY...Partly cloudy. Scattered showers windward. Isolated afternoon showers leeward. Highs 81 to 86. Lows 69 to 74. East winds around 15 mph. $$