S
M
T
W
T
F
S
27
88°
67°
28
87°
67°
29
86°
66°
30
85°
67°
1
84°
65°
2
85°
66°
3
89°
61°
4
84°
60°
5
83°
59°
6
84°
60°
7
84°
64°
8
83°
65°
9
89°
65°
10
88°
65°
11
83°
59°
12
83°
65°
13
83°
66°
14
Hist. Avg.
84°
61°
15
Hist. Avg.
84°
61°
16
Hist. Avg.
84°
60°
17
Hist. Avg.
84°
60°
18
Hist. Avg.
83°
60°
19
Hist. Avg.
83°
60°
20
Hist. Avg.
83°
59°
21
Hist. Avg.
82°
59°
22
Hist. Avg.
82°
59°
23
Hist. Avg.
82°
59°
24
Hist. Avg.
82°
58°
25
Hist. Avg.
81°
58°
26
Hist. Avg.
81°
58°
27
Hist. Avg.
81°
58°
28
Hist. Avg.
80°
57°
29
Hist. Avg.
80°
57°
30
Hist. Avg.
80°
57°
31
Hist. Avg.
79°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Castroville
Castroville's October 2026 forecast shows daily high temperatures ranging from 83° to 89°, with overnight lows between 59° and 67°. The average high for October is 85° with an average low of 64°. 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 Castroville. See also: November | December | January.
