S
M
T
W
T
F
S
31
54°
39°
1
57°
37°
2
55°
43°
3
66°
46°
4
68°
46°
5
79°
39°
6
72°
55°
7
57°
43°
8
70°
36°
9
66°
45°
10
59°
41°
11
66°
45°
12
66°
37°
13
62°
44°
14
71°
41°
15
75°
47°
16
83°
55°
17
67°
48°
18
66°
47°
19
70°
43°
20
76°
46°
21
72°
53°
22
56°
46°
23
64°
41°
24
68°
41°
25
72°
45°
26
79°
48°
27
63°
52°
28
57°
48°
29
57°
41°
30
70°
52°
1
83°
54°
2
85°
54°
3
84°
55°
4
89°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Roundup
Roundup's June 2026 forecast shows daily high temperatures ranging from 83° to 89°, with overnight lows between 54° and 57°. The average high for June is 85° with an average low of 55°. 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 Roundup. See also: July | August | September.
