S
M
T
W
T
F
S
31
76°
39°
1
66°
40°
2
69°
42°
3
72°
45°
4
70°
45°
5
66°
39°
6
68°
41°
7
71°
39°
8
70°
41°
9
70°
41°
10
69°
40°
11
69°
44°
12
75°
48°
13
78°
50°
14
80°
51°
15
81°
52°
16
80°
47°
17
81°
42°
18
74°
42°
19
70°
43°
20
72°
43°
21
74°
45°
22
75°
43°
23
74°
41°
24
74°
43°
25
75°
44°
26
81°
45°
27
84°
48°
28
84°
50°
29
77°
45°
30
77°
47°
1
79°
45°
2
77°
42°
3
76°
45°
4
77°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Mount Shasta
Mount Shasta's June 2026 forecast shows daily high temperatures ranging from 66° to 84°, with overnight lows between 39° and 52°. The average high for June is 75° 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 Mount Shasta. See also: July | August | September.
