S
M
T
W
T
F
S
31
77°
40°
1
78°
46°
2
79°
41°
3
84°
51°
4
85°
62°
5
83°
63°
6
78°
56°
7
81°
53°
8
82°
60°
9
83°
58°
10
82°
60°
11
83°
61°
12
81°
61°
13
83°
61°
14
82°
61°
15
81°
59°
16
80°
56°
17
76°
60°
18
78°
59°
19
79°
58°
20
80°
61°
21
80°
53°
22
73°
53°
23
75°
61°
24
83°
64°
25
84°
62°
26
83°
58°
27
75°
54°
28
77°
60°
29
79°
60°
30
80°
58°
1
79°
59°
2
82°
62°
3
84°
63°
4
84°
62°
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 73° to 85°, with overnight lows between 51° and 64°. The average high for June is 81° with an average low of 59°. 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.
