S
M
T
W
T
F
S
27
90°
79°
28
90°
81°
29
90°
79°
30
91°
83°
1
92°
84°
2
90°
78°
3
85°
78°
4
79°
75°
5
84°
73°
6
87°
74°
7
87°
76°
8
90°
77°
9
90°
75°
10
86°
77°
11
87°
79°
12
87°
78°
13
87°
80°
14
86°
78°
15
89°
76°
16
84°
68°
17
78°
69°
18
78°
68°
19
79°
66°
20
77°
67°
21
77°
67°
22
78°
57°
23
76°
64°
24
75°
63°
25
76°
66°
26
79°
66°
27
78°
65°
28
79°
69°
29
78°
69°
30
77°
68°
31
77°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Galveston
Galveston's October 2026 forecast shows daily high temperatures ranging from 75° to 90°, with overnight lows between 57° and 80°. The average high for October is 81° with an average low of 70°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Galveston. See also: November | December | January.
