S
M
T
W
T
F
S
27
71°
54°
28
79°
58°
29
82°
65°
30
74°
60°
1
72°
59°
2
73°
58°
3
74°
59°
4
69°
56°
5
72°
55°
6
72°
54°
7
73°
53°
8
75°
60°
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 65°. 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.
