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August 2026 Monthly Rainfall Summary for Hawaii

Current conditions at

Hilo, Hilo International Airport (PHTO)

Lat: 19.72°NLon: 155.06°WElev: 36ft.

Light Rain

74°F

23°C

Humidity	88%
Wind Speed	NW 8 mph
Barometer	30.00 in (1015.8 mb)
Dewpoint	70°F (21°C)
Visibility	7.00 mi
Last update	4 Oct 5:53 pm HST

More Information:

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

Extended Forecast for

4 Miles E Hilo International Airport HI

Tonight
Low: 72 °F
Showers
Likely
Monday
High: 82 °F
Scattered
Showers then
Partly Sunny
Monday Night
Low: 71 °F
Scattered
Showers
Tuesday
High: 82 °F
Scattered
Showers then
Mostly Sunny
Tuesday Night
Low: 71 °F
Partly Cloudy
Wednesday
High: 83 °F
Mostly Sunny
Wednesday Night
Low: 73 °F
Mostly Clear
Thursday
High: 84 °F
Mostly Sunny
and Breezy
Thursday Night
Low: 74 °F
Partly Cloudy

Detailed Forecast

Tonight

Showers likely. Mostly cloudy, with a low around 72. North wind 3 to 8 mph. Chance of precipitation is 70%.

Monday

Scattered showers before noon. Partly sunny, with a high near 82. North northeast wind 3 to 8 mph. Chance of precipitation is 50%.

Monday Night

Scattered showers. Mostly cloudy, with a low around 71. Northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Scattered showers before noon. Mostly sunny, with a high near 82. Calm wind becoming east northeast 5 to 7 mph. Chance of precipitation is 30%.

Tuesday Night

Partly cloudy, with a low around 71. Calm wind becoming south southeast around 6 mph after midnight.

Wednesday

Mostly sunny, with a high near 83. East wind 6 to 11 mph.

Wednesday Night

Mostly clear, with a low around 73. Southwest wind around 9 mph.

Thursday

Mostly sunny, with a high near 84. Breezy, with an east southeast wind 9 to 16 mph, with gusts as high as 22 mph.

Thursday Night

Partly cloudy, with a low around 74. South southeast wind 8 to 11 mph becoming west southwest in the evening.

Friday

Partly sunny, with a high near 84. East wind 5 to 10 mph becoming light east southeast in the afternoon.

Friday Night

Isolated showers. Mostly cloudy, with a low around 73. Light and variable wind becoming west southwest around 5 mph after midnight. Chance of precipitation is 20%.

Saturday

Scattered showers. Partly sunny, with a high near 83. East northeast wind 5 to 9 mph becoming calm in the afternoon. Chance of precipitation is 30%.

Saturday Night

Scattered showers. Mostly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 30%.

Sunday

Scattered showers. Mostly sunny, with a high near 83. Light and variable wind becoming north northeast 5 to 8 mph in the afternoon. Chance of precipitation is 30%.