S
M
T
W
T
F
S
26
54°
42°
27
52°
40°
28
52°
40°
29
53°
43°
30
54°
46°
1
56°
47°
2
56°
45°
3
54°
44°
4
54°
46°
5
55°
44°
6
55°
42°
7
57°
46°
8
59°
47°
9
57°
47°
10
56°
45°
11
57°
48°
12
61°
48°
13
57°
47°
14
56°
46°
15
56°
44°
16
57°
46°
17
57°
45°
18
64°
50°
19
62°
50°
20
60°
49°
21
62°
47°
22
59°
46°
23
61°
50°
24
60°
50°
25
63°
49°
26
63°
51°
27
62°
51°
28
65°
50°
29
62°
49°
30
62°
49°
31
63°
46°
1
62°
44°
2
61°
51°
3
63°
48°
4
62°
48°
5
62°
49°
6
64°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Formby
Formby's May 2026 forecast shows daily high temperatures ranging from 52° to 65°, with overnight lows between 40° and 52°. The average high for May is 59° 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 Formby. See also: June | July | August.