S
M
T
W
T
F
S
28
82°
66°
29
88°
64°
30
90°
67°
1
96°
71°
2
102°
74°
3
101°
76°
4
99°
71°
5
89°
71°
6
77°
66°
7
76°
65°
8
85°
63°
9
79°
68°
10
84°
70°
11
81°
69°
12
85°
65°
13
85°
61°
14
94°
72°
15
103°
69°
16
93°
65°
17
88°
65°
18
83°
70°
19
84°
68°
20
83°
65°
21
84°
64°
22
81°
65°
23
82°
65°
24
80°
64°
25
81°
65°
26
83°
64°
27
81°
63°
28
82°
67°
29
84°
63°
30
80°
65°
31
80°
66°
1
81°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Saint Peters
Saint Peters's July 2026 forecast shows daily high temperatures ranging from 80° to 103°, with overnight lows between 63° and 72°. The average high for July is 85° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Saint Peters. See also: August | September | October.
