S
M
T
W
T
F
S
31
90°
70°
1
92°
68°
2
86°
71°
3
82°
65°
4
84°
64°
5
80°
69°
6
75°
70°
7
77°
70°
8
85°
72°
9
90°
72°
10
90°
74°
11
92°
73°
12
92°
73°
13
90°
69°
14
81°
63°
15
84°
64°
16
84°
68°
17
86°
69°
18
89°
70°
19
88°
67°
20
88°
70°
21
84°
71°
22
84°
71°
23
85°
70°
24
88°
71°
25
89°
72°
26
90°
72°
27
89°
71°
28
86°
71°
29
86°
72°
30
88°
72°
1
89°
71°
2
93°
72°
3
92°
73°
4
93°
67°
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 75° to 93°, with overnight lows between 63° and 74°. The average high for June is 87° with an average low of 70°. 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.
