S
M
T
W
T
F
S
31
70°
45°
1
70°
54°
2
68°
48°
3
72°
54°
4
75°
59°
5
77°
61°
6
73°
59°
7
77°
63°
8
79°
57°
9
75°
59°
10
75°
66°
11
82°
64°
12
77°
64°
13
75°
61°
14
75°
55°
15
61°
50°
16
66°
48°
17
73°
54°
18
70°
61°
19
70°
55°
20
73°
58°
21
78°
63°
22
74°
59°
23
74°
56°
24
73°
54°
25
75°
55°
26
74°
56°
27
76°
59°
28
76°
62°
29
80°
59°
30
80°
61°
1
79°
59°
2
80°
56°
3
77°
61°
4
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Barnum
Barnum's June 2026 forecast shows daily high temperatures ranging from 70° to 80°, with overnight lows between 54° and 63°. The average high for June is 76° with an average low of 58°. 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 Barnum. See also: July | August | September.