S
M
T
W
T
F
S
26
65°
49°
27
59°
46°
28
56°
42°
29
58°
42°
30
60°
46°
1
66°
47°
2
65°
46°
3
61°
45°
4
59°
43°
5
58°
42°
6
57°
41°
7
55°
42°
8
54°
41°
9
55°
41°
10
55°
47°
11
56°
47°
12
57°
46°
13
57°
46°
14
58°
42°
15
61°
43°
16
62°
47°
17
63°
48°
18
63°
49°
19
62°
48°
20
59°
46°
21
58°
43°
22
61°
49°
23
59°
48°
24
62°
48°
25
62°
50°
26
61°
50°
27
60°
49°
28
63°
50°
29
63°
50°
30
60°
49°
31
63°
51°
1
65°
50°
2
63°
49°
3
60°
48°
4
61°
49°
5
64°
48°
6
62°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Castleford
Castleford's May 2026 forecast shows daily high temperatures ranging from 54° to 66°, with overnight lows between 41° and 51°. The average high for May is 60° with an average low of 47°. 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 Castleford. See also: June | July | August.
