S
M
T
W
T
F
S
31
87°
78°
1
87°
75°
2
85°
76°
3
84°
77°
4
86°
75°
5
87°
78°
6
88°
77°
7
87°
79°
8
89°
80°
9
87°
79°
10
87°
80°
11
88°
80°
12
87°
79°
13
87°
79°
14
88°
78°
15
89°
79°
16
89°
81°
17
90°
81°
18
88°
80°
19
88°
82°
20
89°
80°
21
88°
81°
22
88°
82°
23
89°
81°
24
89°
81°
25
90°
82°
26
89°
82°
27
89°
81°
28
90°
81°
29
90°
80°
30
90°
81°
1
91°
82°
2
92°
81°
3
88°
82°
4
89°
81°
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 84° to 92°, with overnight lows between 75° and 82°. The average high for June is 88° with an average low of 80°. 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.
