S
M
T
W
T
F
S
27
75°
56°
28
76°
54°
29
82°
64°
30
76°
66°
1
76°
65°
2
75°
64°
3
74°
59°
4
72°
53°
5
69°
52°
6
70°
51°
7
73°
54°
8
75°
53°
9
77°
58°
10
71°
54°
11
66°
52°
12
71°
58°
13
76°
60°
14
74°
59°
15
73°
58°
16
76°
58°
17
76°
57°
18
75°
57°
19
76°
56°
20
75°
57°
21
75°
55°
22
73°
51°
23
67°
46°
24
60°
45°
25
61°
52°
26
71°
51°
27
68°
51°
28
68°
53°
29
69°
54°
30
70°
53°
31
70°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in St. Louis
St. Louis's October 2026 forecast shows daily high temperatures ranging from 60° to 82°, with overnight lows between 45° and 66°. The average high for October is 72° with an average low of 55°. 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.
