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August weather forecast in Honolulu

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

27 July, sun

	733 mmHg		74%
	6.8 m/s		+28

27 July, Sunday. day, 28°; night, 23°; clear

28 July, mon

	733 mmHg		73%
	6.6 m/s		+28

28 July, Monday. day, 28°; night, 23°; clear

29 July, tue

	733 mmHg		73%
	6.9 m/s		+28

29 July, Tuesday. day, 28°; night, 23°; partly cloudy

30 July, wed

	733 mmHg		73%
	6.9 m/s		+27

30 July, Wednesday. day, 28°; night, 23°; partly cloudy

31 July, thu

	733 mmHg		73%
	6.9 m/s		+28

31 July, Thursday. day, 28°; night, 23°; rain

1 August, fri

	733 mmHg		73%
	7 m/s		+28

1 August, Friday. day, 28°; night, 23°; rain

2 August, sat

	733 mmHg		72%
	6.8 m/s		+28

2 August, Saturday. day, 28°; night, 23°; clear

3 August, sun

	733 mmHg		72%
	6.9 m/s		+28

3 August, Sunday. day, 28°; night, 23°; clear

4 August, mon

	733 mmHg		72%
	6.9 m/s		+28

4 August, Monday. day, 28°; night, 23°; partly cloudy

5 August, tue

	733 mmHg		72%
	6.9 m/s		+27

5 August, Tuesday. day, 28°; night, 23°; clear

6 August, wed

	733 mmHg		72%
	6.8 m/s		+28

6 August, Wednesday. day, 28°; night, 23°; partly cloudy

7 August, thu

	733 mmHg		73%
	6.8 m/s		+28

7 August, Thursday. day, 28°; night, 23°; partly cloudy

8 August, fri

	733 mmHg		72%
	6.8 m/s		+28

8 August, Friday. day, 28°; night, 23°; clear

9 August, sat

	733 mmHg		73%
	6.7 m/s		+28

9 August, Saturday. day, 28°; night, 23°; partly cloudy

10 August, sun

	733 mmHg		73%
	6.6 m/s		+28

10 August, Sunday. day, 28°; night, 23°; rain

11 August, mon

	733 mmHg		74%
	6.6 m/s		+28

11 August, Monday. day, 28°; night, 23°; rain

12 August, tue

	733 mmHg		73%
	6.4 m/s		+28

12 August, Tuesday. day, 28°; night, 23°; partly cloudy

13 August, wed

	733 mmHg		72%
	6.4 m/s		+28

13 August, Wednesday. day, 28°; night, 23°; partly cloudy

14 August, thu

	733 mmHg		72%
	6.4 m/s		+28

14 August, Thursday. day, 28°; night, 23°; clear

15 August, fri

	733 mmHg		72%
	6.4 m/s		+28

15 August, Friday. day, 28°; night, 23°; partly cloudy

16 August, sat

	733 mmHg		73%
	6.5 m/s		+28

16 August, Saturday. day, 28°; night, 23°; clear

17 August, sun

	733 mmHg		72%
	6.3 m/s		+28

17 August, Sunday. day, 28°; night, 23°; clear

18 August, mon

	733 mmHg		72%
	6 m/s		+28

18 August, Monday. day, 28°; night, 23°; clear

19 August, tue

	733 mmHg		73%
	6.4 m/s		+28

19 August, Tuesday. day, 29°; night, 23°; clear

20 August, wed

	733 mmHg		72%
	6.4 m/s		+28

20 August, Wednesday. day, 28°; night, 23°; clear

21 August, thu

	733 mmHg		74%
	6.6 m/s		+29

21 August, Thursday. day, 28°; night, 23°; rain

22 August, fri

	733 mmHg		72%
	6.5 m/s		+27

22 August, Friday. day, 28°; night, 23°; partly cloudy

23 August, sat

	733 mmHg		74%
	6.4 m/s		+27

23 August, Saturday. day, 28°; night, 23°; rain

24 August, sun

	733 mmHg		74%
	6.5 m/s		+28

24 August, Sunday. day, 28°; night, 23°; rain

25 August, mon

	733 mmHg		73%
	6.6 m/s		+28

25 August, Monday. day, 28°; night, 23°; clear

26 August, tue

	733 mmHg		72%
	6.3 m/s		+28

26 August, Tuesday. day, 28°; night, 23°; clear

27 August, wed

	732 mmHg		72%
	6.2 m/s		+28

27 August, Wednesday. day, 28°; night, 23°; rain

28 August, thu

	732 mmHg		73%
	5.8 m/s		+28

28 August, Thursday. day, 28°; night, 23°; clear

29 August, fri

	732 mmHg		73%
	5.9 m/s		+28

29 August, Friday. day, 28°; night, 23°; clear

30 August, sat

	732 mmHg		73%
	6 m/s		+28

30 August, Saturday. day, 28°; night, 23°; rain

31 August, sun

	733 mmHg		73%
	6.3 m/s		+29

31 August, Sunday. day, 28°; night, 23°; rain

1 September, mon

	733 mmHg		73%
	6.4 m/s		+28

1 September, Monday. day, 28°; night, 23°; clear

2 September, tue

	732 mmHg		73%
	6.4 m/s		+28

2 September, Tuesday. day, 28°; night, 23°; partly cloudy

3 September, wed

	732 mmHg		73%
	6.2 m/s		+28

3 September, Wednesday. day, 28°; night, 23°; partly cloudy

4 September, thu

	732 mmHg		73%
	6 m/s		+29

4 September, Thursday. day, 28°; night, 23°; clear

5 September, fri

	732 mmHg		72%
	5.8 m/s		+29

5 September, Friday. day, 28°; night, 23°; clear

6 September, sat

	732 mmHg		72%
	5.7 m/s		+29

6 September, Saturday. day, 28°; night, 23°; clear

Average data for 10 years

Honolulu August

14

sunny days

9

days with precipitation

1

cloudy day

14 sunny days; 9 days with precipitation; 1 cloudy day;

73

%

air humidity

5.1

m/s

WindE

30

mm of precipitation

(7% of annual average)

+28

°C

Water temperature

air humidity 73%; 30 millimeters of precipitation (7% of annual average); Wind easterly 5.1 Meters per second; Water temperature +28°

Weather graphs for August

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

E

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Akutan
Koloa
Kailua-Kona
Waikoloa
Dutch Harbor
Kapolei
Mililani
Kalaupapa
Lahaina

Cities with similar weather in August

Barcelona
Budva
Goa
Alicante
Majorca
Palermo
Retimno
Denpasar
Torrevieja

The weather forecast for August 2025 is based on historical data from the past 10 years.

In August, the weather in Honolulu is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Honolulu has 14 sunny, 9 rainy, and 8 partly cloudy days in August. The rains are usually light. August as well as March, April, May, and June is considered the most uncomfortable time to visit Honolulu.

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