S
M
T
W
T
F
S
27
72°
58°
28
75°
54°
29
71°
49°
30
67°
56°
1
70°
55°
2
73°
46°
3
70°
45°
4
60°
44°
5
59°
48°
6
60°
45°
7
63°
52°
8
65°
47°
9
68°
42°
10
66°
51°
11
68°
52°
12
Hist. Avg.
62°
47°
13
Hist. Avg.
62°
47°
14
Hist. Avg.
61°
47°
15
Hist. Avg.
61°
46°
16
Hist. Avg.
60°
46°
17
Hist. Avg.
60°
46°
18
Hist. Avg.
60°
45°
19
Hist. Avg.
59°
45°
20
Hist. Avg.
59°
45°
21
Hist. Avg.
58°
44°
22
Hist. Avg.
58°
44°
23
Hist. Avg.
57°
44°
24
Hist. Avg.
57°
43°
25
Hist. Avg.
56°
43°
26
Hist. Avg.
56°
42°
27
Hist. Avg.
56°
42°
28
Hist. Avg.
55°
42°
29
Hist. Avg.
55°
41°
30
Hist. Avg.
54°
41°
31
Hist. Avg.
54°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in St. Clair
St. Clair's October 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 42° and 58°. The average high for October is 67° with an average low of 50°. 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. Clair. See also: November | December | January.
