S
M
T
W
T
F
S
31
82°
64°
1
83°
63°
2
82°
65°
3
81°
65°
4
84°
64°
5
83°
67°
6
80°
68°
7
82°
68°
8
81°
67°
9
81°
68°
10
83°
69°
11
85°
70°
12
86°
69°
13
82°
70°
14
82°
68°
15
83°
70°
16
82°
69°
17
83°
68°
18
82°
69°
19
83°
70°
20
84°
71°
21
87°
71°
22
87°
72°
23
88°
72°
24
87°
71°
25
86°
72°
26
88°
72°
27
90°
71°
28
89°
73°
29
89°
73°
30
90°
72°
1
93°
73°
2
93°
73°
3
92°
69°
4
93°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in St. Jo
St. Jo's June 2026 forecast shows daily high temperatures ranging from 80° to 93°, with overnight lows between 63° and 73°. The average high for June is 85° with an average low of 69°. 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. Jo. See also: July | August | September.
