S
M
T
W
T
F
S
31
81°
54°
1
81°
59°
2
77°
49°
3
81°
54°
4
83°
58°
5
86°
60°
6
87°
65°
7
84°
66°
8
82°
65°
9
83°
66°
10
84°
65°
11
86°
65°
12
83°
65°
13
84°
64°
14
83°
65°
15
84°
63°
16
79°
62°
17
78°
63°
18
79°
63°
19
78°
62°
20
79°
65°
21
80°
66°
22
81°
66°
23
81°
65°
24
82°
63°
25
82°
65°
26
83°
67°
27
83°
66°
28
82°
67°
29
81°
61°
30
82°
62°
1
81°
61°
2
81°
63°
3
80°
68°
4
82°
64°
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 77° to 87°, with overnight lows between 49° and 68°. 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 Junction City. See also: July | August | September.