S
M
T
W
T
F
S
31
64°
31°
1
71°
42°
2
79°
44°
3
78°
44°
4
71°
39°
5
78°
42°
6
61°
35°
7
62°
34°
8
68°
39°
9
75°
42°
10
78°
40°
11
76°
39°
12
78°
42°
13
81°
43°
14
73°
41°
15
64°
39°
16
65°
39°
17
76°
47°
18
79°
47°
19
76°
46°
20
77°
47°
21
78°
47°
22
80°
48°
23
81°
49°
24
79°
47°
25
75°
46°
26
80°
48°
27
80°
42°
28
69°
39°
29
71°
43°
30
80°
48°
1
82°
49°
2
82°
49°
3
83°
48°
4
84°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Lostine
Lostine's June 2026 forecast shows daily high temperatures ranging from 61° to 84°, with overnight lows between 34° and 50°. The average high for June is 76° with an average low of 44°. 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 Lostine. See also: July | August | September.
