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August 2026 Monthly Rainfall Summary for Hawaii

Current conditions at

Kahului, Kahului Airport (PHOG)

Lat: 20.89°NLon: 156.44°WElev: 52ft.

Partly Cloudy and Breezy

86°F

30°C

Humidity	57%
Wind Speed	NE 21 mph
Barometer	29.99 in (1016.1 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	3 Oct 10:54 am HST

More Information:

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

Extended Forecast for

Napili-Honokowai HI

Today
High: 83 °F
Isolated
Showers
Tonight
Low: 70 °F
Mostly Clear
and Breezy
Sunday
High: 82 °F
Breezy.
Mostly Sunny
then Isolated
Showers
Sunday Night
Low: 70 °F
Mostly Clear
and Breezy
Monday
High: 82 °F
Isolated
Showers then
Mostly Sunny
Monday Night
Low: 70 °F
Mostly Cloudy
Tuesday
High: 83 °F
Mostly Sunny
Tuesday Night
Low: 70 °F
Mostly Cloudy
Wednesday
High: 84 °F
Sunny

Detailed Forecast

Today

Isolated showers after noon. Mostly sunny, with a high near 83. East northeast wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 10%.

Tonight

Mostly clear, with a low around 70. Breezy, with an east northeast wind 14 to 16 mph, with gusts as high as 22 mph.

Sunday

Isolated showers after noon. Mostly sunny, with a high near 82. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

Sunday Night

Mostly clear, with a low around 70. Breezy, with an east northeast wind 13 to 20 mph, with gusts as high as 28 mph.

Monday

Isolated showers before noon. Mostly sunny, with a high near 82. East northeast wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 10%.

Monday Night

Mostly cloudy, with a low around 70. East northeast wind 8 to 11 mph.

Tuesday

Mostly sunny, with a high near 83. East northeast wind 6 to 9 mph.

Tuesday Night

Mostly cloudy, with a low around 70. East wind around 6 mph becoming calm.

Wednesday

Sunny, with a high near 84. South southeast wind 5 to 7 mph.

Wednesday Night

Mostly clear, with a low around 70. South wind 5 to 7 mph becoming calm after midnight.

Thursday

Sunny, with a high near 85. Calm wind becoming east 5 to 7 mph in the afternoon.

Thursday Night

Isolated showers. Partly cloudy, with a low around 74. East wind 7 to 11 mph. Chance of precipitation is 10%.

Friday

Scattered showers. Mostly sunny, with a high near 84. Breezy, with an east northeast wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.