S
M
T
W
T
F
S
27
60°
43°
28
60°
43°
29
59°
50°
30
59°
54°
1
60°
51°
2
62°
42°
3
61°
41°
4
60°
41°
5
59°
40°
6
57°
40°
7
58°
43°
8
61°
44°
9
62°
49°
10
Hist. Avg.
62°
46°
11
Hist. Avg.
62°
46°
12
Hist. Avg.
61°
46°
13
Hist. Avg.
61°
46°
14
Hist. Avg.
61°
46°
15
Hist. Avg.
60°
45°
16
Hist. Avg.
60°
45°
17
Hist. Avg.
60°
45°
18
Hist. Avg.
59°
45°
19
Hist. Avg.
59°
45°
20
Hist. Avg.
59°
45°
21
Hist. Avg.
58°
44°
22
Hist. Avg.
58°
44°
23
Hist. Avg.
58°
44°
24
Hist. Avg.
58°
44°
25
Hist. Avg.
57°
44°
26
Hist. Avg.
57°
44°
27
Hist. Avg.
57°
44°
28
Hist. Avg.
57°
43°
29
Hist. Avg.
56°
43°
30
Hist. Avg.
56°
43°
31
Hist. Avg.
56°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Mount Si Golf Course
Mount Si Golf Course's October 2026 forecast shows daily high temperatures ranging from 57° to 62°, with overnight lows between 40° and 54°. The average high for October is 60° with an average low of 45°. 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 Si Golf Course. See also: November | December | January.
