National Weather Service

News Headlines

March 2026 Severe Weather and Flash Flooding - 3/10 to 3/24

Hazardous Weather Conditions

High Surf Advisory in effect from April 7, 07:40 PM HST until April 9, 06:00 AM HST
Flood Watch in effect from April 8, 06:00 AM HST until April 10, 06:00 PM HST

Current conditions at

Daniel K Inouye International Airport (PHNL)

Lat: 21.33°NLon: 157.94°WElev: 10ft.

Mostly Cloudy

69°F

21°C

Humidity	90%
Wind Speed	N 6 mph
Barometer	29.88 in (1011.8 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	8 Apr 2:53 am HST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Waipahu HI

Flood Watch April 8, 06:00am until April 10, 06:00pm

High Surf Advisory until April 9, 06:00am

Click here for hazard details and duration

Flood Watch

High Surf Advisory

High Surf Advisory until April 9, 06:00am
NOW until 6:00am Thu
High Surf Advisory
Overnight
Low: 70 °F
Heavy Rain
Wednesday
High: 80 °F
Heavy Rain
Wednesday Night
Low: 70 °F
Heavy Rain
Thursday
High: 78 °F
Heavy Rain
and Breezy
Thursday Night
Low: 70 °F
Heavy Rain
and Breezy
Friday
High: 78 °F
Heavy Rain
and Breezy
Friday Night
Low: 70 °F
Heavy Rain
then
Scattered
Showers
Saturday
High: 80 °F
Scattered
Showers

Detailed Forecast

Overnight

Isolated showers. The rain could be heavy at times. Mostly cloudy, with a low around 70. North wind around 5 mph becoming light and variable. Chance of precipitation is 20%.

Wednesday

Scattered showers, mainly after 8am. The rain could be heavy at times. Cloudy, with a high near 80. Light east wind becoming southeast 6 to 11 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Occasional showers, with thunderstorms also possible after 2am. Some of the storms could produce heavy rainfall. Low around 70. Light south southeast wind becoming southeast 8 to 13 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Thursday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Breezy, with a south southeast wind 13 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Breezy, with a southeast wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.

Friday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. Breezy, with a south wind 13 to 18 mph becoming southwest 7 to 12 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then scattered showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 70. Southwest wind around 8 mph. Chance of precipitation is 60%.

Saturday

Scattered showers. Mostly cloudy, with a high near 80. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.

Saturday Night

Scattered showers. Cloudy, with a low around 69. Southwest wind 3 to 7 mph. Chance of precipitation is 50%.

Sunday

Scattered showers. Cloudy, with a high near 78. West southwest wind 3 to 6 mph. Chance of precipitation is 50%.

Sunday Night

Scattered showers. Cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 50%.

Monday

Scattered showers. Cloudy, with a high near 76. North northeast wind 3 to 7 mph. Chance of precipitation is 50%.

Monday Night

Scattered showers. Cloudy, with a low around 68. North northeast wind 5 to 7 mph becoming calm. Chance of precipitation is 50%.