S
M
T
W
T
F
S
27
N/A
28
N/A
29
92°
66°
30
88°
62°
1
93°
68°
2
101°
72°
3
103°
73°
4
101°
72°
5
101°
72°
6
99°
70°
7
100°
69°
8
103°
68°
9
97°
67°
10
93°
65°
11
96°
68°
12
92°
65°
13
89°
64°
14
82°
56°
15
84°
58°
16
85°
60°
17
84°
59°
18
85°
60°
19
85°
60°
20
84°
59°
21
84°
59°
22
79°
58°
23
76°
58°
24
80°
57°
25
83°
57°
26
83°
56°
27
82°
58°
28
82°
58°
29
81°
57°
30
78°
57°
31
82°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sylmar
Sylmar's October 2026 forecast shows daily high temperatures ranging from 76° to 103°, with overnight lows between 56° and 73°. The average high for October is 89° with an average low of 63°. 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 Sylmar. See also: November | December | January.
