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August weather forecast in Port Arthur

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

	762 mmHg		80%
	4.1 m/s		+33

27 July, Sunday. day, 31°; night, 25°; rain

28 July, mon

	762 mmHg		80%
	4.1 m/s		+34

28 July, Monday. day, 32°; night, 25°; rain

29 July, tue

	762 mmHg		80%
	4.1 m/s		+34

29 July, Tuesday. day, 32°; night, 26°; clear

30 July, wed

	761 mmHg		79%
	4.3 m/s		+36

30 July, Wednesday. day, 32°; night, 26°; rain

31 July, thu

	761 mmHg		79%
	4.1 m/s		+35

31 July, Thursday. day, 32°; night, 25°; partly cloudy

1 August, fri

	761 mmHg		78%
	3.9 m/s		+35

1 August, Friday. day, 32°; night, 25°; partly cloudy

2 August, sat

	761 mmHg		77%
	3.7 m/s		+35

2 August, Saturday. day, 32°; night, 25°; clear

3 August, sun

	761 mmHg		77%
	3.8 m/s		+35

3 August, Sunday. day, 32°; night, 25°; clear

4 August, mon

	761 mmHg		78%
	3.6 m/s		+36

4 August, Monday. day, 32°; night, 25°; rain

5 August, tue

	761 mmHg		77%
	3.9 m/s		+35

5 August, Tuesday. day, 32°; night, 25°; clear

6 August, wed

	761 mmHg		78%
	3.9 m/s		+35

6 August, Wednesday. day, 32°; night, 26°; clear

7 August, thu

	761 mmHg		78%
	4 m/s		+35

7 August, Thursday. day, 32°; night, 26°; clear

8 August, fri

	761 mmHg		79%
	3.9 m/s		+36

8 August, Friday. day, 32°; night, 26°; clear

9 August, sat

	761 mmHg		79%
	3.9 m/s		+36

9 August, Saturday. day, 32°; night, 26°; clear

10 August, sun

	761 mmHg		78%
	4 m/s		+36

10 August, Sunday. day, 32°; night, 26°; overcast

11 August, mon

	761 mmHg		78%
	3.9 m/s		+36

11 August, Monday. day, 32°; night, 26°; rain

12 August, tue

	761 mmHg		78%
	4.1 m/s		+35

12 August, Tuesday. day, 32°; night, 26°; rain

13 August, wed

	761 mmHg		77%
	4.1 m/s		+35

13 August, Wednesday. day, 32°; night, 26°; rain

14 August, thu

	761 mmHg		78%
	4.1 m/s		+34

14 August, Thursday. day, 32°; night, 25°; rain

15 August, fri

	761 mmHg		78%
	4.19 m/s		+35

15 August, Friday. day, 32°; night, 25°; rain

16 August, sat

	761 mmHg		77%
	4 m/s		+34

16 August, Saturday. day, 32°; night, 25°; rain

17 August, sun

	762 mmHg		79%
	4 m/s		+35

17 August, Sunday. day, 32°; night, 25°; clear

18 August, mon

	761 mmHg		79%
	3.9 m/s		+33

18 August, Monday. day, 32°; night, 25°; rain

19 August, tue

	761 mmHg		80%
	3.8 m/s		+32

19 August, Tuesday. day, 32°; night, 25°; rain

20 August, wed

	761 mmHg		79%
	3.9 m/s		+34

20 August, Wednesday. day, 32°; night, 25°; rain

21 August, thu

	761 mmHg		79%
	4 m/s		+33

21 August, Thursday. day, 32°; night, 25°; rain

22 August, fri

	762 mmHg		80%
	3.9 m/s		+34

22 August, Friday. day, 31°; night, 25°; rain

23 August, sat

	761 mmHg		80%
	3.7 m/s		+35

23 August, Saturday. day, 32°; night, 25°; rain

24 August, sun

	761 mmHg		79%
	3.6 m/s		+33

24 August, Sunday. day, 32°; night, 25°; partly cloudy

25 August, mon

	760 mmHg		79%
	3.8 m/s		+32

25 August, Monday. day, 32°; night, 25°; rain

26 August, tue

	761 mmHg		80%
	3.9 m/s		+33

26 August, Tuesday. day, 31°; night, 25°; rain

27 August, wed

	760 mmHg		79%
	4 m/s		+33

27 August, Wednesday. day, 32°; night, 25°; rain

28 August, thu

	760 mmHg		80%
	3.9 m/s		+33

28 August, Thursday. day, 31°; night, 25°; rain

29 August, fri

	759 mmHg		79%
	4.19 m/s		+32

29 August, Friday. day, 31°; night, 25°; overcast

30 August, sat

	759 mmHg		78%
	4.19 m/s		+32

30 August, Saturday. day, 31°; night, 25°; partly cloudy

31 August, sun

	760 mmHg		77%
	4 m/s		+33

31 August, Sunday. day, 31°; night, 25°; clear

1 September, mon

	760 mmHg		78%
	4.19 m/s		+33

1 September, Monday. day, 31°; night, 25°; rain

2 September, tue

	760 mmHg		78%
	4.1 m/s		+31

2 September, Tuesday. day, 31°; night, 25°; rain

3 September, wed

	760 mmHg		79%
	3.8 m/s		+32

3 September, Wednesday. day, 31°; night, 25°; rain

4 September, thu

	760 mmHg		80%
	3.9 m/s		+32

4 September, Thursday. day, 31°; night, 24°; rain

5 September, fri

	761 mmHg		77%
	4 m/s		+32

5 September, Friday. day, 31°; night, 24°; rain

6 September, sat

	761 mmHg		78%
	3.8 m/s		+32

6 September, Saturday. day, 30°; night, 24°; rain

Average data for 10 years

Port Arthur August

9

sunny days

17

days with precipitation

6

cloudy days

9 sunny days; 17 days with precipitation; 6 cloudy days;

78

%

air humidity

2.6

m/s

WindS

130

mm of precipitation

(10% of annual average)

+34

°C

Water temperature

air humidity 78%; 130 millimeters of precipitation (10% of annual average); Wind southerly 2.6 Meters per second; Water temperature +34°

Weather graphs for August

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

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SE

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

Houston
Texas City
Austin
New Orleans
Baton Rouge
Palestine
Bay City
Alexandria
College Station

Cities with similar weather in August

Antalya
Alanya
Side
Belek
Ayia Napa
Larnaca
Hurgada
Protaras
Miami

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

August in Port Arthur is the hottest month of the year. In August, the weather in Port Arthur is typically hot. Average daily high temperature in August is about 32 degrees above zero. On average, Port Arthur has 17 rainy, 9 sunny, 3 partly cloudy, and 2 cloudy days in August. The rains are usually heavy. August as well as June and July is considered the most uncomfortable time to visit Port Arthur.

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