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August 2026 Monthly Rainfall Summary for Hawaii

Current conditions at

Wheeler Air Force Base / Oahu (PHHI)

Lat: 21.48° N Lon: 158.03° W Elev: 837 ft.

Overcast

79°F

26°C

Humidity	64%
Wind Speed	NE 10 mph
Barometer	30.01 in (1015.2 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	4 Oct 2:55 pm HST

More Information:

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

Detailed forecast for

Waianae Mountains

Today

Windy. Mostly sunny with isolated showers. Highs 76 to 90. Northeast winds 15 to 30 mph. Chance of rain 20 percent.

Tonight

Partly cloudy. Windy. Isolated showers in the evening. Lows 64 to 74. Northeast winds 10 to 30 mph. Chance of rain 20 percent.

Monday

Sunny and breezy. Highs 75 to 90. Northeast winds 10 to 20 mph.

Monday Night

Mostly clear. Lows 63 to 73. Northeast winds 10 to 15 mph.

Tuesday

Sunny in the morning, then partly sunny with isolated showers in the afternoon. Highs 75 to 90. East winds up to 10 mph in the morning becoming light. Chance of rain 20 percent.

Tuesday Night

Partly cloudy in the evening, then mostly cloudy with isolated showers after midnight. Lows 63 to 73. Light winds becoming southeast around 10 mph after midnight. Chance of rain 20 percent.

Wednesday

Partly sunny with scattered showers. Highs 75 to 90. South winds 10 to 15 mph. Chance of rain 40 percent.

Wednesday Night

Mostly cloudy with occasional showers. Lows 65 to 75. South winds 10 to 15 mph. Chance of rain 80 percent.

Thursday

Mostly cloudy. Breezy. Occasional showers in the morning, then scattered showers in the afternoon. Highs 75 to 90. Southeast winds 10 to 20 mph. Chance of rain 80 percent.

Thursday Night

Mostly cloudy with numerous showers. Lows 66 to 75. Southeast winds 10 to 15 mph. Chance of rain 70 percent.

Friday

Partly sunny. Scattered showers in the morning, then isolated showers in the afternoon. Highs 76 to 91. East winds up to 15 mph. Chance of rain 50 percent.

Friday Night

Partly cloudy with isolated showers in the evening, then mostly cloudy after midnight. Lows 65 to 75. East winds 10 to 15 mph. Chance of rain 20 percent.

Saturday

Mostly sunny. Breezy. Highs 76 to 90. East winds 10 to 20 mph.