S
M
T
W
T
F
S
27
69°
45°
28
70°
47°
29
62°
38°
30
59°
46°
1
59°
47°
2
67°
36°
3
69°
33°
4
62°
32°
5
52°
35°
6
56°
40°
7
62°
44°
8
63°
44°
9
60°
45°
10
63°
46°
11
65°
40°
12
65°
37°
13
61°
34°
14
50°
36°
15
49°
36°
16
50°
34°
17
51°
36°
18
55°
36°
19
58°
40°
20
59°
40°
21
59°
39°
22
60°
42°
23
58°
37°
24
57°
33°
25
54°
32°
26
49°
30°
27
51°
34°
28
46°
29°
29
46°
34°
30
Hist. Avg.
49°
36°
31
Hist. Avg.
49°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in St. Marys
St. Marys's October 2026 forecast shows daily high temperatures ranging from 46° to 70°, with overnight lows between 29° and 47°. The average high for October is 58° with an average low of 38°. 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 St. Marys. See also: November | December | January.
