S
M
T
W
T
F
S
26
55°
39°
27
70°
36°
28
59°
41°
29
61°
50°
30
68°
39°
1
68°
34°
2
61°
43°
3
62°
42°
4
75°
56°
5
85°
62°
6
74°
54°
7
58°
44°
8
63°
44°
9
62°
45°
10
66°
45°
11
68°
50°
12
70°
47°
13
70°
50°
14
73°
51°
15
73°
50°
16
71°
52°
17
78°
57°
18
78°
57°
19
77°
56°
20
78°
57°
21
78°
57°
22
75°
49°
23
69°
49°
24
70°
50°
25
71°
52°
26
72°
52°
27
71°
51°
28
71°
53°
29
72°
52°
30
72°
57°
31
75°
60°
1
78°
60°
2
74°
57°
3
74°
58°
4
79°
61°
5
79°
61°
6
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Crofton
Crofton's May 2026 forecast shows daily high temperatures ranging from 58° to 85°, with overnight lows between 42° and 62°. The average high for May is 73° with an average low of 53°. 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 Crofton. See also: June | July | August.