S
M
T
W
T
F
S
28
65°
52°
29
63°
55°
30
63°
55°
1
68°
53°
2
67°
56°
3
73°
53°
4
71°
50°
5
73°
48°
6
77°
46°
7
75°
47°
8
76°
48°
9
74°
48°
10
77°
49°
11
75°
48°
12
77°
49°
13
79°
51°
14
77°
48°
15
74°
52°
16
73°
51°
17
72°
48°
18
75°
49°
19
80°
52°
20
80°
51°
21
79°
52°
22
77°
51°
23
79°
52°
24
73°
53°
25
75°
52°
26
80°
52°
27
80°
52°
28
81°
51°
29
80°
50°
30
81°
52°
31
82°
53°
1
81°
52°
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 67° to 82°, with overnight lows between 46° and 56°. The average high for July is 76° with an average low of 51°. 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.