S
M
T
W
T
F
S
31
68°
53°
1
66°
47°
2
65°
45°
3
72°
46°
4
69°
46°
5
74°
50°
6
75°
55°
7
76°
50°
8
68°
47°
9
67°
45°
10
69°
44°
11
68°
48°
12
71°
47°
13
77°
55°
14
77°
56°
15
75°
53°
16
71°
53°
17
73°
55°
18
71°
47°
19
69°
54°
20
75°
57°
21
79°
58°
22
81°
59°
23
82°
51°
24
81°
56°
25
81°
56°
26
80°
54°
27
80°
51°
28
81°
50°
29
81°
54°
30
80°
50°
1
80°
50°
2
78°
52°
3
77°
50°
4
80°
52°
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 65° to 82°, with overnight lows between 44° and 59°. The average high for June is 75° 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 Saint Louis. See also: July | August | September.
