S
M
T
W
T
F
S
31
77°
39°
1
75°
47°
2
77°
44°
3
82°
49°
4
86°
46°
5
90°
48°
6
85°
55°
7
81°
62°
8
73°
55°
9
81°
53°
10
84°
64°
11
90°
68°
12
89°
69°
13
87°
62°
14
87°
57°
15
73°
55°
16
76°
46°
17
83°
50°
18
82°
65°
19
81°
59°
20
80°
58°
21
82°
61°
22
70°
64°
23
81°
59°
24
81°
60°
25
77°
61°
26
81°
59°
27
78°
61°
28
79°
62°
29
81°
66°
30
83°
64°
1
85°
63°
2
83°
64°
3
84°
65°
4
80°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in St. Clair
St. Clair's June 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 58° and 66°. The average high for June is 80° 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 June weather will actually feel in St. Clair. See also: July | August | September.
