S
M
T
W
T
F
S
31
77°
40°
1
78°
46°
2
79°
46°
3
83°
52°
4
84°
62°
5
83°
65°
6
76°
58°
7
78°
56°
8
79°
57°
9
79°
61°
10
77°
60°
11
80°
61°
12
81°
59°
13
79°
58°
14
77°
55°
15
76°
56°
16
71°
51°
17
72°
52°
18
75°
57°
19
79°
59°
20
82°
61°
21
78°
61°
22
81°
62°
23
75°
60°
24
76°
56°
25
75°
57°
26
82°
62°
27
79°
59°
28
75°
58°
29
76°
55°
30
77°
56°
1
77°
61°
2
82°
63°
3
82°
62°
4
77°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in St. Louis
St. Louis's June 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 46° and 65°. The average high for June is 78° with an average low of 58°. 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. Louis. See also: July | August | September.
