S
M
T
W
T
F
S
26
59°
46°
27
66°
46°
28
57°
46°
29
61°
45°
30
57°
52°
1
59°
52°
2
55°
48°
3
59°
48°
4
59°
46°
5
59°
48°
6
55°
41°
7
57°
44°
8
60°
50°
9
61°
49°
10
61°
45°
11
55°
43°
12
55°
45°
13
54°
45°
14
55°
46°
15
54°
46°
16
57°
48°
17
56°
49°
18
57°
48°
19
55°
53°
20
54°
54°
21
55°
53°
22
55°
54°
23
55°
54°
24
55°
53°
25
56°
55°
26
58°
55°
27
56°
54°
28
56°
54°
29
57°
52°
30
57°
56°
31
58°
56°
1
59°
55°
2
62°
57°
3
62°
56°
4
61°
57°
5
62°
57°
6
61°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St Agnes
St Agnes's May 2026 forecast shows daily high temperatures ranging from 54° to 62°, with overnight lows between 41° and 57°. The average high for May is 57° with an average low of 51°. 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 St Agnes. See also: June | July | August.