S
M
T
W
T
F
S
28
75°
60°
29
75°
58°
30
75°
61°
1
75°
61°
2
81°
57°
3
87°
60°
4
89°
60°
5
88°
66°
6
90°
62°
7
95°
62°
8
95°
63°
9
93°
60°
10
87°
62°
11
88°
63°
12
85°
67°
13
90°
68°
14
99°
64°
15
100°
69°
16
95°
68°
17
89°
68°
18
93°
67°
19
95°
66°
20
94°
67°
21
92°
71°
22
95°
69°
23
99°
66°
24
98°
71°
25
96°
70°
26
95°
69°
27
93°
67°
28
95°
66°
29
94°
66°
30
95°
70°
31
96°
69°
1
95°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Sylmar
Sylmar's July 2026 forecast shows daily high temperatures ranging from 93° to 96°, with overnight lows between 66° and 70°. The average high for July is 95° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Sylmar. See also: August | September | October.
