S
M
T
W
T
F
S
31
54°
39°
1
67°
45°
2
67°
43°
3
74°
49°
4
73°
50°
5
78°
55°
6
91°
52°
7
77°
49°
8
76°
50°
9
82°
52°
10
82°
52°
11
79°
51°
12
80°
53°
13
81°
50°
14
77°
48°
15
76°
52°
16
71°
51°
17
72°
49°
18
78°
53°
19
83°
53°
20
80°
52°
21
74°
51°
22
82°
54°
23
85°
54°
24
86°
53°
25
83°
50°
26
81°
54°
27
86°
55°
28
87°
53°
29
79°
52°
30
86°
55°
1
88°
56°
2
87°
56°
3
86°
55°
4
88°
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 67° to 91°, with overnight lows between 43° and 57°. The average high for June is 80° with an average low of 52°. 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.
