S
M
T
W
T
F
S
26
86°
75°
27
90°
78°
28
90°
75°
29
88°
76°
30
85°
67°
1
67°
55°
2
76°
53°
3
79°
54°
4
82°
57°
5
85°
71°
6
87°
69°
7
79°
63°
8
74°
67°
9
90°
72°
10
89°
72°
11
82°
67°
12
86°
65°
13
90°
67°
14
91°
68°
15
90°
71°
16
89°
72°
17
85°
79°
18
89°
79°
19
86°
74°
20
81°
73°
21
78°
73°
22
80°
72°
23
79°
73°
24
81°
72°
25
82°
73°
26
82°
72°
27
84°
74°
28
84°
75°
29
85°
74°
30
85°
71°
31
87°
73°
1
88°
72°
2
90°
74°
3
86°
72°
4
86°
71°
5
87°
73°
6
86°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Crosby
Crosby's May 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 71° and 75°. The average high for May is 84° with an average low of 73°. 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 Crosby. See also: June | July | August.