S
M
T
W
T
F
S
31
83°
59°
1
86°
60°
2
83°
53°
3
83°
60°
4
86°
65°
5
85°
68°
6
84°
67°
7
83°
68°
8
83°
67°
9
85°
67°
10
84°
66°
11
84°
65°
12
85°
64°
13
83°
65°
14
82°
64°
15
81°
63°
16
74°
60°
17
75°
61°
18
77°
64°
19
76°
65°
20
77°
66°
21
79°
66°
22
81°
68°
23
79°
65°
24
82°
68°
25
82°
69°
26
84°
68°
27
82°
69°
28
81°
65°
29
80°
65°
30
81°
64°
1
80°
66°
2
80°
70°
3
81°
69°
4
81°
64°
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 74° to 86°, with overnight lows between 60° and 70°. The average high for June is 81° with an average low of 66°. 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.
