S
M
T
W
T
F
S
27
77°
45°
28
81°
46°
29
84°
50°
30
90°
59°
1
93°
68°
2
75°
63°
3
75°
59°
4
79°
54°
5
77°
48°
6
79°
45°
7
84°
50°
8
84°
57°
9
86°
61°
10
70°
61°
11
71°
56°
12
81°
59°
13
87°
58°
14
77°
60°
15
82°
61°
16
79°
51°
17
67°
46°
18
62°
45°
19
64°
44°
20
64°
42°
21
63°
43°
22
67°
44°
23
61°
37°
24
60°
37°
25
64°
41°
26
69°
43°
27
69°
38°
28
59°
35°
29
58°
35°
30
62°
40°
31
68°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Saint Mary
Saint Mary's October 2026 forecast shows daily high temperatures ranging from 58° to 87°, with overnight lows between 35° and 61°. The average high for October is 69° with an average low of 47°. 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 Saint Mary. See also: November | December | January.
