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

Hazardous Weather Conditions

Flood Watch until April 13, 06:00 PM HST

Current conditions at

Daniel K Inouye International Airport (PHNL)

Lat: 21.33°NLon: 157.94°WElev: 10ft.

Light Rain

78°F

26°C

Humidity	79%
Wind Speed	SE 12 mph
Barometer	30.00 in (1015.7 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	12 Apr 11:53 am HST

More Information:

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

Extended Forecast for

Honolulu HI

Flood Watch April 12, 12:20pm until April 13, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch April 12, 12:20pm until April 13, 06:00pm
NOW until 6:00pm Mon
Flood Watch
This Afternoon
High: 78 °F
Heavy Rain
Tonight
Low: 72 °F
Heavy Rain
Monday
High: 80 °F
Showers
Likely
Monday Night
Low: 74 °F
Isolated
Showers
Tuesday
High: 82 °F
Cloudy then
Isolated
Showers
Tuesday Night
Low: 73 °F
Isolated
Showers then
Cloudy
Wednesday
High: 83 °F
Cloudy
Wednesday Night
Low: 73 °F
Cloudy

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 78. North wind 3 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 72. North wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

Showers likely, mainly before 8am. Cloudy, with a high near 80. East wind around 6 mph becoming calm in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

Isolated showers before 2am. Cloudy, with a low around 74. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 20%.

Tuesday

Isolated showers after 2pm. Cloudy, with a high near 82. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

Tuesday Night

Isolated showers before 8pm. Cloudy, with a low around 73. North wind 6 to 8 mph becoming east northeast after midnight. Chance of precipitation is 20%.

Wednesday

Cloudy, with a high near 83. East northeast wind 6 to 8 mph.

Wednesday Night

Cloudy, with a low around 73. East northeast wind around 7 mph.

Thursday

Mostly cloudy, with a high near 83. East wind around 8 mph.

Thursday Night

Mostly cloudy, with a low around 73. East northeast wind around 8 mph.

Friday

Isolated showers. Mostly cloudy, with a high near 82. East northeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 20%.

Friday Night

Isolated showers. Cloudy, with a low around 73. West wind around 6 mph becoming east northeast in the evening. Chance of precipitation is 20%.