S
M
T
W
T
F
S
31
81°
56°
1
74°
53°
2
72°
56°
3
75°
60°
4
75°
60°
5
76°
61°
6
79°
61°
7
76°
62°
8
83°
60°
9
84°
56°
10
83°
62°
11
84°
62°
12
85°
63°
13
85°
63°
14
82°
57°
15
78°
57°
16
78°
62°
17
79°
64°
18
85°
56°
19
80°
56°
20
81°
58°
21
85°
65°
22
87°
63°
23
80°
64°
24
80°
61°
25
85°
59°
26
82°
61°
27
87°
59°
28
82°
64°
29
85°
60°
30
81°
65°
1
87°
65°
2
84°
59°
3
83°
57°
4
81°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Saint Louis
Saint Louis's June 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 53° and 65°. The average high for June is 81° with an average low of 60°. 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 Saint Louis. See also: July | August | September.
