S
M
T
W
T
F
S
27
82°
57°
28
80°
54°
29
79°
53°
30
79°
52°
1
76°
51°
2
79°
53°
3
72°
46°
4
75°
52°
5
77°
53°
6
Hist. Avg.
72°
49°
7
Hist. Avg.
72°
49°
8
Hist. Avg.
72°
48°
9
Hist. Avg.
71°
48°
10
Hist. Avg.
71°
48°
11
Hist. Avg.
71°
47°
12
Hist. Avg.
70°
47°
13
Hist. Avg.
70°
47°
14
Hist. Avg.
69°
46°
15
Hist. Avg.
69°
46°
16
Hist. Avg.
69°
46°
17
Hist. Avg.
68°
45°
18
Hist. Avg.
68°
45°
19
Hist. Avg.
67°
45°
20
Hist. Avg.
67°
44°
21
Hist. Avg.
67°
44°
22
Hist. Avg.
66°
44°
23
Hist. Avg.
66°
43°
24
Hist. Avg.
65°
43°
25
Hist. Avg.
65°
42°
26
Hist. Avg.
65°
42°
27
Hist. Avg.
64°
42°
28
Hist. Avg.
64°
41°
29
Hist. Avg.
63°
41°
30
Hist. Avg.
63°
41°
31
Hist. Avg.
62°
40°
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 72° to 82°, with overnight lows between 46° and 57°. The average high for October is 78° with an average low of 52°. 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.
