S
M
T
W
T
F
S
31
79°
54°
1
63°
53°
2
62°
54°
3
68°
54°
4
67°
54°
5
63°
53°
6
62°
53°
7
63°
48°
8
64°
50°
9
71°
54°
10
90°
57°
11
69°
50°
12
64°
54°
13
60°
53°
14
61°
56°
15
63°
54°
16
61°
56°
17
62°
57°
18
63°
56°
19
63°
57°
20
64°
57°
21
66°
57°
22
65°
56°
23
68°
56°
24
68°
57°
25
67°
52°
26
66°
53°
27
67°
54°
28
64°
53°
29
65°
54°
30
66°
55°
1
68°
53°
2
67°
55°
3
69°
53°
4
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Port San Luis
Port San Luis's June 2026 forecast shows daily high temperatures ranging from 64° to 73°, with overnight lows between 52° and 58°. The average high for June is 67° with an average low of 55°. 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 San Luis. See also: July | August | September.
