S
M
T
W
T
F
S
26
56°
39°
27
64°
41°
28
63°
37°
29
64°
42°
30
65°
42°
1
64°
37°
2
65°
43°
3
67°
44°
4
67°
45°
5
68°
44°
6
68°
46°
7
69°
46°
8
67°
45°
9
63°
40°
10
65°
46°
11
61°
46°
12
69°
45°
13
66°
43°
14
67°
47°
15
71°
49°
16
70°
50°
17
71°
50°
18
73°
38°
19
66°
38°
20
66°
39°
21
65°
41°
22
66°
44°
23
64°
43°
24
62°
49°
25
70°
51°
26
72°
49°
27
75°
51°
28
67°
53°
29
71°
48°
30
75°
45°
31
71°
50°
1
77°
48°
2
79°
54°
3
81°
51°
4
79°
44°
5
71°
41°
6
69°
47°
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 56° to 81°, with overnight lows between 37° and 54°. The average high for May is 68° with an average low of 45°. 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.