S
M
T
W
T
F
S
26
98°
78°
27
100°
76°
28
99°
79°
29
100°
78°
30
101°
79°
31
101°
79°
1
100°
78°
2
101°
79°
3
101°
79°
4
100°
78°
5
101°
79°
6
101°
79°
7
100°
78°
8
100°
78°
9
101°
79°
10
101°
79°
11
100°
78°
12
101°
79°
13
101°
79°
14
100°
78°
15
102°
80°
16
101°
79°
17
99°
79°
18
101°
78°
19
101°
79°
20
100°
79°
21
101°
78°
22
100°
79°
23
101°
78°
24
99°
76°
25
99°
75°
26
100°
76°
27
99°
75°
28
97°
74°
29
96°
73°
30
94°
73°
31
94°
75°
1
95°
75°
2
93°
71°
3
93°
69°
4
91°
70°
5
91°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Crystal City
Crystal City's August 2026 forecast shows daily high temperatures ranging from 91° to 102°, with overnight lows between 69° and 80°. The average high for August is 99° with an average low of 77°. 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 Crystal City. See also: September | October | November.
