S
M
T
W
T
F
S
28
74°
57°
29
74°
58°
30
76°
63°
1
75°
66°
2
77°
65°
3
83°
59°
4
79°
59°
5
77°
59°
6
78°
58°
7
77°
65°
8
78°
60°
9
79°
58°
10
76°
60°
11
77°
61°
12
78°
60°
13
77°
60°
14
78°
59°
15
76°
61°
16
78°
60°
17
78°
60°
18
77°
61°
19
78°
61°
20
82°
67°
21
84°
69°
22
84°
68°
23
85°
61°
24
81°
59°
25
78°
65°
26
82°
69°
27
85°
64°
28
84°
60°
29
77°
64°
30
81°
67°
31
82°
66°
1
81°
68°
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 74° to 85°, with overnight lows between 57° and 69°. The average high for July is 79° with an average low of 62°. 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.
