S
M
T
W
T
F
S
31
73°
64°
1
84°
68°
2
80°
58°
3
79°
54°
4
82°
59°
5
83°
64°
6
85°
66°
7
87°
70°
8
88°
70°
9
87°
71°
10
86°
70°
11
88°
68°
12
88°
68°
13
86°
67°
14
87°
68°
15
85°
69°
16
87°
69°
17
84°
68°
18
84°
69°
19
85°
69°
20
86°
70°
21
89°
70°
22
89°
69°
23
88°
70°
24
85°
68°
25
86°
66°
26
88°
67°
27
89°
70°
28
87°
71°
29
85°
70°
30
87°
67°
1
85°
66°
2
86°
70°
3
85°
71°
4
86°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Decatur
Decatur's June 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 54° and 71°. The average high for June is 86° with an average low of 68°. 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 Decatur. See also: July | August | September.
