S
M
T
W
T
F
S
31
80°
65°
1
85°
66°
2
N/A
3
84°
61°
4
87°
67°
5
84°
69°
6
90°
72°
7
87°
72°
8
83°
72°
9
87°
72°
10
86°
71°
11
87°
69°
12
88°
70°
13
89°
70°
14
88°
68°
15
88°
70°
16
86°
67°
17
85°
71°
18
88°
70°
19
84°
72°
20
89°
72°
21
89°
68°
22
83°
68°
23
88°
73°
24
91°
74°
25
92°
74°
26
91°
73°
27
87°
73°
28
88°
72°
29
90°
73°
30
88°
73°
1
89°
72°
2
88°
73°
3
87°
72°
4
88°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in St. Louis
St. Louis's June 2026 forecast shows daily high temperatures ranging from 83° to 92°, with overnight lows between 61° and 74°. The average high for June is 87° with an average low of 71°. 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.
