S
M
T
W
T
F
S
26
78°
60°
27
78°
59°
28
79°
56°
29
79°
59°
30
80°
66°
31
80°
66°
1
86°
65°
2
86°
65°
3
85°
64°
4
85°
57°
5
82°
56°
6
78°
55°
7
77°
56°
8
76°
57°
9
77°
57°
10
78°
63°
11
80°
63°
12
82°
65°
13
83°
64°
14
84°
58°
15
84°
56°
16
77°
56°
17
79°
57°
18
80°
60°
19
81°
57°
20
76°
54°
21
82°
60°
22
81°
61°
23
81°
61°
24
82°
54°
25
74°
52°
26
76°
57°
27
79°
60°
28
74°
56°
29
81°
60°
30
82°
54°
31
74°
56°
1
73°
54°
2
73°
55°
3
72°
57°
4
73°
57°
5
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Arlington
Arlington's August 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 52° and 66°. The average high for August is 79° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Arlington. See also: September | October | November.
