S
M
T
W
T
F
S
28
78°
51°
29
82°
57°
30
79°
60°
1
81°
60°
2
80°
59°
3
82°
54°
4
77°
53°
5
76°
51°
6
75°
51°
7
77°
52°
8
81°
55°
9
83°
58°
10
76°
58°
11
77°
56°
12
78°
59°
13
80°
58°
14
80°
57°
15
79°
58°
16
77°
59°
17
77°
59°
18
78°
57°
19
77°
58°
20
78°
56°
21
82°
59°
22
80°
59°
23
78°
58°
24
78°
59°
25
80°
59°
26
82°
58°
27
83°
60°
28
82°
60°
29
79°
59°
30
77°
60°
31
82°
60°
1
83°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Arlington
Arlington's July 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 51° and 60°. The average high for July is 79° with an average low of 57°. 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 Arlington. See also: August | September | October.