State Forecast
Issued by NWS Honolulu, HI

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229
FPHW60 PHFO 181312
SFPHFO

State Forecast for Hawaii
National Weather Service Honolulu HI
312 AM HST Fri Sep 18 2026

HIZ001-003-004-006-007-009>011-015>018-022-029>050-190415-
Kauai-Oahu-Maui-Molokai-Lanai-
312 AM HST Fri Sep 18 2026



.TODAY...Partly sunny. Breezy. Windward and mountains, numerous
showers in the morning, then scattered showers in the afternoon.
Leeward, isolated showers through the day. Highs 86 to 91. East
winds 15 to 25 mph.
.TONIGHT...Mostly cloudy. Scattered showers windward and
mountains. Lows 75 to 80. East winds 15 to 20 mph.
.SATURDAY...Mostly cloudy. Breezy. Scattered showers windward and
mountains. Highs 85 to 90. Lows 74 to 79. East winds 15 to
25 mph.
.SUNDAY...Mostly cloudy. Scattered showers windward and
mountains. Highs 85 to 90. Lows 74 to 79. East winds 15 to
20 mph.
.MONDAY...Partly cloudy. Scattered showers windward and
mountains. Highs 85 to 90. Lows 75 to 80. Northeast winds 15 to
20 mph.
.TUESDAY...Mostly cloudy. Scattered showers windward and
mountains. isolated showers leeward. Highs 85 to 90. Lows 75 to
80. Northeast winds 15 to 20 mph.


$$

HIZ023-026>028-051>054-190415-
Big Island of Hawaii-
312 AM HST Fri Sep 18 2026



.TODAY...Mostly sunny. Windward, numerous showers. Leeward,
isolated showers in the morning, then scattered showers and
slight chance of thunderstorms in the afternoon. Highs 86 to 91.
East winds 15 to 20 mph.
.TONIGHT...Mostly cloudy. Leeward, isolated showers in the
evening. Windward, scattered showers. Lows 73 to 78. Northeast
winds 15 to 20 mph.
.SATURDAY...Mostly cloudy. Breezy. Windward, isolated showers
during the day, then scattered showers at night. Leeward,
isolated showers at night. Highs 85 to 90. Lows 72 to 77. East
winds 15 to 25 mph.
.SUNDAY...Mostly cloudy. Leeward, isolated showers during the
day. Windward, scattered showers. Highs 88 to 93. Lows 72 to 77.
Northeast winds around 15 mph.
.MONDAY...Windward, mostly cloudy, Scattered showers during the
day, then occasional showers at night. Leeward, partly cloudy.
Highs 89 to 94. Lows 73 to 78. Northeast winds around 15 mph.
.TUESDAY...Mostly cloudy. Windward, scattered showers during the
day, then occasional showers at night. Leeward, isolated showers.
Highs 86 to 91. Lows 73 to 78. Northeast winds around 15 mph.


$$