S
M
T
W
T
F
S
31
83°
59°
1
87°
58°
2
74°
50°
3
58°
51°
4
61°
50°
5
71°
54°
6
75°
51°
7
75°
45°
8
70°
52°
9
81°
49°
10
64°
56°
11
62°
49°
12
59°
47°
13
72°
49°
14
78°
43°
15
74°
48°
16
66°
47°
17
65°
43°
18
66°
46°
19
66°
47°
20
71°
50°
21
63°
49°
22
61°
47°
23
69°
51°
24
72°
50°
25
73°
54°
26
74°
55°
27
73°
54°
28
71°
55°
29
70°
52°
30
71°
50°
1
74°
52°
2
73°
50°
3
67°
50°
4
67°
49°
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 61° to 74°, with overnight lows between 47° and 55°. The average high for June is 70° with an average low of 51°. 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.
