S
M
T
W
T
F
S
31
69°
52°
1
70°
50°
2
69°
50°
3
70°
52°
4
73°
61°
5
81°
62°
6
81°
63°
7
79°
63°
8
80°
61°
9
78°
54°
10
73°
54°
11
72°
53°
12
74°
62°
13
75°
54°
14
72°
54°
15
72°
55°
16
74°
57°
17
77°
64°
18
82°
65°
19
83°
66°
20
84°
66°
21
84°
65°
22
85°
67°
23
85°
67°
24
84°
66°
25
84°
67°
26
79°
60°
27
82°
65°
28
81°
59°
29
79°
58°
30
81°
60°
1
82°
67°
2
86°
68°
3
84°
68°
4
86°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in DeKalb
DeKalb's June 2026 forecast shows daily high temperatures ranging from 69° to 86°, with overnight lows between 50° and 68°. The average high for June is 79° with an average low of 61°. 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 DeKalb. See also: July | August | September.
