S
M
T
W
T
F
S
27
75°
49°
28
74°
49°
29
71°
48°
30
72°
50°
1
73°
38°
2
73°
37°
3
61°
39°
4
59°
38°
5
58°
37°
6
62°
35°
7
58°
35°
8
57°
33°
9
57°
34°
10
68°
45°
11
65°
42°
12
60°
35°
13
59°
34°
14
Hist. Avg.
61°
38°
15
Hist. Avg.
60°
38°
16
Hist. Avg.
60°
37°
17
Hist. Avg.
59°
37°
18
Hist. Avg.
59°
37°
19
Hist. Avg.
58°
36°
20
Hist. Avg.
58°
36°
21
Hist. Avg.
57°
36°
22
Hist. Avg.
57°
35°
23
Hist. Avg.
56°
35°
24
Hist. Avg.
56°
34°
25
Hist. Avg.
55°
34°
26
Hist. Avg.
55°
34°
27
Hist. Avg.
54°
33°
28
Hist. Avg.
54°
33°
29
Hist. Avg.
53°
32°
30
Hist. Avg.
53°
32°
31
Hist. Avg.
52°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in St. Peter
St. Peter's October 2026 forecast shows daily high temperatures ranging from 57° to 75°, with overnight lows between 33° and 50°. The average high for October is 65° 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 St. Peter. See also: November | December | January.