S
M
T
W
T
F
S
27
84°
70°
28
85°
69°
29
85°
69°
30
86°
68°
1
86°
69°
2
87°
69°
3
86°
68°
4
88°
69°
5
86°
69°
6
85°
68°
7
86°
67°
8
87°
68°
9
87°
68°
10
86°
67°
11
87°
67°
12
87°
66°
13
86°
66°
14
81°
62°
15
79°
59°
16
79°
59°
17
80°
65°
18
82°
64°
19
82°
63°
20
80°
64°
21
77°
64°
22
78°
62°
23
86°
64°
24
85°
63°
25
85°
63°
26
86°
57°
27
84°
54°
28
77°
59°
29
77°
61°
30
81°
61°
31
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Black Diamond
Black Diamond's October 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 54° and 70°. The average high for October is 84° with an average low of 65°. 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 Black Diamond. See also: November | December | January.
