S
M
T
W
T
F
S
27
54°
42°
28
53°
41°
29
51°
39°
30
49°
41°
1
50°
42°
2
50°
42°
3
54°
43°
4
55°
43°
5
56°
42°
6
55°
36°
7
54°
39°
8
55°
37°
9
50°
37°
10
51°
39°
11
53°
37°
12
51°
38°
13
52°
38°
14
51°
37°
15
50°
37°
16
56°
38°
17
56°
40°
18
51°
38°
19
56°
39°
20
58°
43°
21
52°
43°
22
53°
42°
23
57°
39°
24
53°
41°
25
54°
41°
26
54°
44°
27
58°
41°
28
56°
44°
29
59°
45°
30
59°
43°
31
58°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Lake St Clair
Lake St Clair's October 2026 forecast shows daily high temperatures ranging from 49° to 59°, with overnight lows between 36° and 45°. The average high for October is 54° with an average low of 40°. 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 Lake St Clair. See also: November | December | January.
