S
M
T
W
T
F
S
31
80°
66°
1
84°
66°
2
82°
54°
3
82°
60°
4
85°
62°
5
84°
68°
6
82°
69°
7
86°
70°
8
81°
68°
9
86°
69°
10
85°
68°
11
87°
66°
12
87°
66°
13
84°
64°
14
83°
65°
15
93°
72°
16
77°
62°
17
77°
62°
18
79°
66°
19
79°
69°
20
80°
69°
21
81°
68°
22
84°
68°
23
82°
67°
24
84°
69°
25
85°
70°
26
87°
71°
27
85°
70°
28
83°
71°
29
83°
69°
30
84°
68°
1
81°
68°
2
83°
71°
3
85°
70°
4
83°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Bethalto
Bethalto's June 2026 forecast shows daily high temperatures ranging from 77° to 93°, with overnight lows between 54° and 72°. The average high for June is 83° with an average low of 67°. 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 Bethalto. See also: July | August | September.
