S
M
T
W
T
F
S
28
80°
65°
29
87°
67°
30
89°
68°
1
96°
72°
2
92°
73°
3
100°
74°
4
94°
72°
5
93°
68°
6
88°
66°
7
86°
66°
8
82°
65°
9
87°
66°
10
88°
66°
11
90°
64°
12
81°
66°
13
80°
60°
14
78°
60°
15
78°
61°
16
79°
61°
17
80°
62°
18
80°
62°
19
81°
66°
20
83°
67°
21
81°
68°
22
86°
68°
23
81°
67°
24
83°
68°
25
86°
68°
26
87°
69°
27
87°
68°
28
86°
67°
29
86°
67°
30
85°
62°
31
78°
61°
1
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in St. Clair
St. Clair's July 2026 forecast shows daily high temperatures ranging from 78° to 100°, with overnight lows between 60° and 74°. 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 St. Clair. See also: August | September | October.
