S
M
T
W
T
F
S
31
78°
51°
1
70°
58°
2
78°
53°
3
83°
47°
4
85°
58°
5
86°
64°
6
86°
67°
7
87°
68°
8
82°
71°
9
86°
69°
10
91°
71°
11
92°
68°
12
82°
61°
13
84°
63°
14
76°
57°
15
73°
54°
16
74°
56°
17
77°
56°
18
79°
62°
19
81°
62°
20
80°
61°
21
79°
60°
22
77°
64°
23
77°
62°
24
82°
65°
25
83°
65°
26
84°
66°
27
83°
61°
28
78°
59°
29
78°
62°
30
79°
65°
1
79°
66°
2
81°
66°
3
82°
65°
4
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Galveston
Galveston's June 2026 forecast shows daily high temperatures ranging from 73° to 92°, with overnight lows between 54° and 71°. The average high for June is 81° with an average low of 63°. 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 Galveston. See also: July | August | September.
