S
M
T
W
T
F
S
26
88°
72°
27
93°
72°
28
95°
77°
29
91°
75°
30
82°
66°
1
73°
59°
2
77°
54°
3
82°
60°
4
89°
70°
5
94°
75°
6
93°
67°
7
82°
63°
8
86°
71°
9
89°
72°
10
91°
71°
11
87°
73°
12
90°
72°
13
91°
72°
14
92°
73°
15
91°
70°
16
85°
70°
17
86°
72°
18
87°
70°
19
88°
71°
20
90°
74°
21
90°
74°
22
88°
67°
23
87°
68°
24
88°
71°
25
95°
72°
26
88°
68°
27
88°
68°
28
86°
70°
29
87°
71°
30
89°
74°
31
88°
73°
1
89°
73°
2
90°
74°
3
90°
77°
4
91°
77°
5
91°
76°
6
92°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Crystal City
Crystal City's May 2026 forecast shows daily high temperatures ranging from 77° to 95°, with overnight lows between 54° and 77°. The average high for May is 89° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Crystal City. See also: June | July | August.
