S
M
T
W
T
F
S
27
74°
37°
28
74°
45°
29
78°
43°
30
80°
49°
1
87°
46°
2
86°
46°
3
89°
46°
4
85°
46°
5
88°
49°
6
90°
48°
7
90°
48°
8
90°
47°
9
83°
44°
10
60°
34°
11
60°
32°
12
62°
34°
13
67°
38°
14
70°
38°
15
72°
37°
16
74°
38°
17
71°
37°
18
71°
38°
19
73°
39°
20
68°
35°
21
66°
41°
22
66°
41°
23
65°
40°
24
64°
39°
25
64°
40°
26
63°
40°
27
63°
39°
28
62°
39°
29
61°
38°
30
61°
39°
31
52°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Mount Shasta
Mount Shasta's October 2026 forecast shows daily high temperatures ranging from 52° to 90°, with overnight lows between 32° and 48°. The average high for October is 68° with an average low of 39°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Mount Shasta. See also: November | December | January.
