S
M
T
W
T
F
S
28
81°
67°
29
82°
66°
30
81°
67°
1
82°
66°
2
77°
65°
3
75°
62°
4
76°
60°
5
75°
59°
6
76°
66°
7
77°
67°
8
77°
68°
9
80°
69°
10
77°
60°
11
78°
61°
12
77°
65°
13
80°
66°
14
85°
60°
15
78°
61°
16
79°
68°
17
78°
67°
18
81°
62°
19
79°
61°
20
79°
61°
21
81°
68°
22
82°
65°
23
80°
59°
24
77°
61°
25
78°
63°
26
78°
68°
27
81°
68°
28
83°
61°
29
79°
60°
30
76°
59°
31
77°
59°
1
78°
60°
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 75° to 85°, with overnight lows between 59° and 69°. The average high for July is 79° with an average low of 64°. 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.
