S
M
T
W
T
F
S
31
N/A
1
54°
47°
2
55°
51°
3
57°
53°
4
56°
52°
5
55°
50°
6
59°
49°
7
62°
47°
8
62°
51°
9
63°
54°
10
61°
50°
11
62°
46°
12
60°
47°
13
54°
44°
14
56°
44°
15
57°
44°
16
55°
43°
17
53°
43°
18
52°
44°
19
52°
43°
20
57°
44°
21
55°
43°
22
53°
43°
23
53°
44°
24
52°
44°
25
56°
43°
26
56°
43°
27
53°
41°
28
52°
44°
29
54°
42°
30
52°
38°
1
52°
42°
2
54°
42°
3
53°
43°
4
56°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Port Arthur
Port Arthur's June 2026 forecast shows daily high temperatures ranging from 52° to 63°, with overnight lows between 38° and 54°. The average high for June is 56° with an average low of 45°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Port Arthur. See also: July | August | September.
