S
M
T
W
T
F
S
27
68°
51°
28
70°
51°
29
64°
52°
30
66°
45°
1
65°
39°
2
63°
38°
3
60°
37°
4
59°
37°
5
58°
38°
6
58°
38°
7
60°
40°
8
62°
43°
9
65°
38°
10
59°
37°
11
57°
36°
12
59°
43°
13
58°
45°
14
60°
41°
15
Hist. Avg.
59°
39°
16
Hist. Avg.
59°
38°
17
Hist. Avg.
58°
38°
18
Hist. Avg.
58°
38°
19
Hist. Avg.
58°
38°
20
Hist. Avg.
57°
37°
21
Hist. Avg.
57°
37°
22
Hist. Avg.
56°
37°
23
Hist. Avg.
56°
36°
24
Hist. Avg.
56°
36°
25
Hist. Avg.
55°
36°
26
Hist. Avg.
55°
36°
27
Hist. Avg.
54°
35°
28
Hist. Avg.
54°
35°
29
Hist. Avg.
54°
35°
30
Hist. Avg.
53°
35°
31
Hist. Avg.
53°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in St. Louis
St. Louis's October 2026 forecast shows daily high temperatures ranging from 57° to 70°, with overnight lows between 36° and 52°. The average high for October is 62° with an average low of 42°. 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. Louis. See also: November | December | January.
