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May 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 April, sun

	760 mmHg		76%
	6 m/s		+27

27 April, Sunday. day, 26°; night, 19°; rain

28 April, mon

	760 mmHg		75%
	5.9 m/s		+28

28 April, Monday. day, 26°; night, 19°; partly cloudy

29 April, tue

	760 mmHg		77%
	6.3 m/s		+26

29 April, Tuesday. day, 26°; night, 19°; rain

30 April, wed

	760 mmHg		75%
	6 m/s		+29

30 April, Wednesday. day, 26°; night, 19°; clear

1 May, thu

	760 mmHg		76%
	5.9 m/s		+27

1 May, Thursday. day, 26°; night, 19°; clear

2 May, fri

	760 mmHg		78%
	5.8 m/s		+26

2 May, Friday. day, 26°; night, 20°; partly cloudy

3 May, sat

	761 mmHg		77%
	5.7 m/s		+27

3 May, Saturday. day, 26°; night, 20°; rain

4 May, sun

	761 mmHg		74%
	5.7 m/s		+28

4 May, Sunday. day, 27°; night, 19°; clear

5 May, mon

	761 mmHg		77%
	5.6 m/s		+28

5 May, Monday. day, 27°; night, 20°; clear

6 May, tue

	761 mmHg		76%
	5.3 m/s		+30

6 May, Tuesday. day, 27°; night, 20°; clear

7 May, wed

	761 mmHg		77%
	5.6 m/s		+29

7 May, Wednesday. day, 27°; night, 21°; clear

8 May, thu

	760 mmHg		79%
	6.2 m/s		+29

8 May, Thursday. day, 27°; night, 22°; partly cloudy

9 May, fri

	760 mmHg		80%
	6 m/s		+30

9 May, Friday. day, 27°; night, 22°; overcast

10 May, sat

	760 mmHg		79%
	5.8 m/s		+30

10 May, Saturday. day, 27°; night, 22°; rain

11 May, sun

	761 mmHg		79%
	5.7 m/s		+29

11 May, Sunday. day, 27°; night, 22°; rain

12 May, mon

	761 mmHg		79%
	5.4 m/s		+30

12 May, Monday. day, 27°; night, 21°; rain

13 May, tue

	761 mmHg		79%
	5.2 m/s		+29

13 May, Tuesday. day, 28°; night, 21°; partly cloudy

14 May, wed

	762 mmHg		76%
	5 m/s		+29

14 May, Wednesday. day, 28°; night, 21°; clear

15 May, thu

	762 mmHg		76%
	4.8 m/s		+30

15 May, Thursday. day, 28°; night, 20°; clear

16 May, fri

	761 mmHg		75%
	5.4 m/s		+29

16 May, Friday. day, 28°; night, 21°; rain

17 May, sat

	760 mmHg		76%
	5.6 m/s		+30

17 May, Saturday. day, 28°; night, 21°; partly cloudy

18 May, sun

	760 mmHg		75%
	5.2 m/s		+31

18 May, Sunday. day, 28°; night, 21°; clear

19 May, mon

	761 mmHg		76%
	5.3 m/s		+31

19 May, Monday. day, 28°; night, 21°; clear

20 May, tue

	760 mmHg		76%
	5.5 m/s		+32

20 May, Tuesday. day, 28°; night, 22°; clear

21 May, wed

	761 mmHg		78%
	5.2 m/s		+31

21 May, Wednesday. day, 29°; night, 22°; rain

22 May, thu

	761 mmHg		78%
	5.3 m/s		+30

22 May, Thursday. day, 28°; night, 22°; rain

23 May, fri

	761 mmHg		77%
	5.3 m/s		+31

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

24 May, sat

	760 mmHg		78%
	5.7 m/s		+32

24 May, Saturday. day, 29°; night, 23°; rain

25 May, sun

	760 mmHg		79%
	5.5 m/s		+33

25 May, Sunday. day, 29°; night, 23°; partly cloudy

26 May, mon

	760 mmHg		77%
	5.3 m/s		+32

26 May, Monday. day, 29°; night, 23°; partly cloudy

27 May, tue

	760 mmHg		78%
	5.3 m/s		+33

27 May, Tuesday. day, 29°; night, 23°; partly cloudy

28 May, wed

	760 mmHg		79%
	4.9 m/s		+32

28 May, Wednesday. day, 29°; night, 23°; rain

29 May, thu

	760 mmHg		78%
	4.8 m/s		+32

29 May, Thursday. day, 29°; night, 23°; rain

30 May, fri

	760 mmHg		79%
	4.9 m/s		+33

30 May, Friday. day, 29°; night, 23°; rain

31 May, sat

	760 mmHg		79%
	4.69 m/s		+32

31 May, Saturday. day, 29°; night, 23°; rain

Average data for 10 years

Port Arthur May

10

sunny days

12

days with precipitation

5

cloudy days

10 sunny days; 12 days with precipitation; 5 cloudy days;

77

%

air humidity

3.8

m/s

WindS

109

mm of precipitation

(8% of annual average)

+30

°C

Water temperature

air humidity 77%; 109 millimeters of precipitation (8% of annual average); Wind southerly 3.8 Meters per second; Water temperature +30°

Weather graphs for May

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

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S

S

S

S

S

S

SE

SE

SE

S

S

S

S

S

S

S

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SE

SE

SE

S

S

S

S

S

S

S

S

1

Average data for 10 years

2

3

4

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7

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9

10

11

12

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15

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19

20

21

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28

29

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31

Daytime temperature

Night-time temperature

Cities near you

Houston
Austin
Texas City
New Orleans
Palestine
Baton Rouge
Tyler
The Woodlands
Cameron

Cities with similar weather in May

Aqaba
Varadero
Eylat
Zanzibar
Puerto Plata
Honolulu
Bali
Taipei
New Orleans

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

In May, the weather in Port Arthur is typically hot. Average daily high temperature in May is about 28 degrees above zero. On average, Port Arthur has 12 rainy, 10 sunny, 8 partly cloudy, and 1 cloudy day in May. The rains are usually heavy.

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