S
M
T
W
T
F
S
31
78°
60°
1
78°
61°
2
79°
60°
3
82°
63°
4
81°
64°
5
82°
64°
6
81°
65°
7
80°
65°
8
81°
64°
9
83°
66°
10
84°
66°
11
83°
65°
12
81°
65°
13
78°
64°
14
78°
61°
15
79°
59°
16
79°
60°
17
80°
63°
18
84°
66°
19
81°
61°
20
79°
62°
21
82°
62°
22
81°
64°
23
84°
63°
24
83°
60°
25
81°
60°
26
82°
61°
27
84°
62°
28
82°
64°
29
88°
70°
30
89°
69°
1
89°
62°
2
83°
62°
3
84°
69°
4
89°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Sullivan
Sullivan's June 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 59° and 70°. The average high for June is 82° with an average low of 63°. 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 Sullivan. See also: July | August | September.
