S
M
T
W
T
F
S
26
57°
46°
27
57°
47°
28
51°
42°
29
52°
45°
30
55°
45°
1
61°
48°
2
58°
46°
3
54°
43°
4
55°
44°
5
55°
44°
6
54°
42°
7
54°
43°
8
53°
42°
9
51°
44°
10
52°
46°
11
54°
47°
12
54°
44°
13
53°
47°
14
53°
48°
15
57°
49°
16
57°
48°
17
55°
45°
18
58°
50°
19
59°
51°
20
60°
50°
21
59°
50°
22
60°
49°
23
59°
49°
24
60°
50°
25
60°
50°
26
55°
49°
27
56°
45°
28
58°
47°
29
55°
45°
30
60°
50°
31
61°
51°
1
61°
51°
2
62°
50°
3
61°
51°
4
58°
51°
5
58°
50°
6
57°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alnmouth
Alnmouth's May 2026 forecast shows daily high temperatures ranging from 51° to 62°, with overnight lows between 42° and 51°. The average high for May is 57° 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 Alnmouth. See also: June | July | August.
