S
M
T
W
T
F
S
26
63°
43°
27
64°
46°
28
55°
45°
29
61°
45°
30
66°
46°
1
77°
45°
2
68°
50°
3
61°
50°
4
54°
43°
5
57°
37°
6
52°
39°
7
57°
37°
8
64°
41°
9
64°
45°
10
54°
37°
11
52°
37°
12
59°
36°
13
55°
41°
14
54°
41°
15
54°
43°
16
59°
43°
17
61°
43°
18
61°
39°
19
64°
48°
20
64°
52°
21
72°
48°
22
82°
54°
23
77°
57°
24
82°
54°
25
90°
57°
26
81°
54°
27
63°
51°
28
78°
59°
29
74°
52°
30
73°
58°
31
71°
53°
1
70°
54°
2
66°
52°
3
64°
52°
4
63°
51°
5
63°
52°
6
65°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Spilsby
Spilsby's May 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 51° and 59°. The average high for May is 69° 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 Spilsby. See also: June | July | August.
