S
M
T
W
T
F
S
27
90°
68°
28
82°
63°
29
85°
59°
30
87°
61°
1
93°
68°
2
103°
72°
3
102°
70°
4
103°
72°
5
101°
72°
6
100°
69°
7
102°
68°
8
104°
69°
9
102°
68°
10
96°
65°
11
98°
67°
12
94°
66°
13
91°
64°
14
81°
54°
15
83°
56°
16
84°
59°
17
82°
59°
18
84°
58°
19
84°
59°
20
83°
58°
21
83°
58°
22
78°
57°
23
75°
56°
24
79°
55°
25
82°
56°
26
82°
56°
27
81°
55°
28
81°
56°
29
80°
55°
30
77°
56°
31
81°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in San Dimas
San Dimas's October 2026 forecast shows daily high temperatures ranging from 75° to 104°, with overnight lows between 54° and 72°. The average high for October is 89° with an average low of 62°. 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 San Dimas. See also: November | December | January.
