S
M
T
W
T
F
S
31
76°
46°
1
74°
49°
2
78°
45°
3
80°
44°
4
82°
48°
5
85°
55°
6
83°
65°
7
86°
63°
8
88°
63°
9
85°
72°
10
90°
72°
11
88°
73°
12
83°
64°
13
85°
56°
14
83°
57°
15
70°
49°
16
77°
57°
17
81°
70°
18
81°
60°
19
75°
52°
20
76°
54°
21
78°
59°
22
75°
57°
23
74°
55°
24
78°
57°
25
77°
57°
26
78°
58°
27
80°
62°
28
81°
59°
29
76°
55°
30
76°
56°
1
77°
56°
2
78°
62°
3
80°
62°
4
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Junction City
Junction City's June 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 49° and 70°. The average high for June is 77° 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 Junction City. See also: July | August | September.