S
M
T
W
T
F
S
26
89°
70°
27
85°
72°
28
78°
62°
29
82°
55°
30
86°
61°
31
75°
61°
1
77°
63°
2
77°
59°
3
81°
54°
4
83°
59°
5
73°
59°
6
80°
58°
7
82°
64°
8
80°
63°
9
77°
59°
10
82°
62°
11
83°
64°
12
81°
66°
13
76°
62°
14
80°
61°
15
83°
65°
16
85°
64°
17
82°
57°
18
80°
59°
19
76°
55°
20
78°
51°
21
74°
59°
22
78°
58°
23
73°
51°
24
75°
44°
25
79°
50°
26
80°
63°
27
79°
57°
28
81°
55°
29
71°
60°
30
84°
67°
31
89°
68°
1
90°
71°
2
86°
67°
3
80°
69°
4
81°
67°
5
76°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St. Peter
St. Peter's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in St. Peter. See also: September | October | November.
