S
M
T
W
T
F
S
28
83°
63°
29
85°
62°
30
87°
58°
1
82°
60°
2
82°
62°
3
86°
62°
4
89°
60°
5
85°
63°
6
88°
61°
7
86°
59°
8
82°
62°
9
82°
60°
10
84°
61°
11
86°
60°
12
85°
60°
13
84°
63°
14
86°
56°
15
86°
60°
16
86°
60°
17
83°
62°
18
85°
60°
19
89°
57°
20
92°
58°
21
91°
57°
22
91°
57°
23
93°
60°
24
90°
58°
25
90°
59°
26
89°
62°
27
85°
59°
28
82°
60°
29
85°
59°
30
85°
59°
31
86°
60°
1
90°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in San Marcos Arteaga
San Marcos Arteaga's July 2026 forecast shows daily high temperatures ranging from 82° to 93°, with overnight lows between 57° and 63°. The average high for July is 88° with an average low of 60°. 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 San Marcos Arteaga. See also: August | September | October.
