S
M
T
W
T
F
S
28
89°
80°
29
90°
79°
30
90°
78°
1
90°
79°
2
91°
78°
3
90°
77°
4
89°
78°
5
89°
77°
6
90°
78°
7
89°
79°
8
89°
80°
9
90°
80°
10
89°
81°
11
89°
80°
12
90°
80°
13
90°
78°
14
91°
78°
15
91°
79°
16
90°
78°
17
90°
79°
18
91°
79°
19
90°
80°
20
90°
78°
21
91°
79°
22
92°
78°
23
91°
79°
24
92°
78°
25
91°
78°
26
90°
80°
27
93°
80°
28
93°
79°
29
90°
79°
30
92°
78°
31
92°
78°
1
91°
79°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Galveston
Galveston's July 2026 forecast shows daily high temperatures ranging from 89° to 93°, with overnight lows between 77° and 81°. The average high for July is 90° with an average low of 79°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Galveston. See also: August | September | October.
