S
M
T
W
T
F
S
27
53°
32°
28
58°
33°
29
59°
33°
30
55°
34°
1
52°
34°
2
54°
32°
3
57°
35°
4
57°
35°
5
58°
36°
6
56°
32°
7
51°
31°
8
57°
34°
9
49°
38°
10
50°
36°
11
48°
32°
12
46°
29°
13
46°
28°
14
45°
32°
15
45°
30°
16
46°
27°
17
45°
26°
18
44°
29°
19
45°
27°
20
47°
29°
21
45°
28°
22
47°
30°
23
48°
32°
24
44°
27°
25
48°
31°
26
51°
32°
27
43°
27°
28
40°
25°
29
38°
23°
30
38°
21°
31
39°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Crater Lake
Crater Lake's October 2026 forecast shows daily high temperatures ranging from 38° to 59°, with overnight lows between 21° and 38°. The average high for October is 49° with an average low of 30°. 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 Crater Lake. See also: November | December | January.