S
M
T
W
T
F
S
26
57°
32°
27
58°
31°
28
58°
32°
29
61°
32°
30
64°
33°
1
65°
35°
2
62°
33°
3
61°
34°
4
65°
34°
5
68°
35°
6
67°
40°
7
61°
35°
8
61°
35°
9
63°
37°
10
62°
35°
11
61°
35°
12
62°
34°
13
63°
36°
14
64°
37°
15
62°
37°
16
62°
36°
17
63°
37°
18
64°
37°
19
65°
38°
20
70°
39°
21
74°
42°
22
73°
40°
23
65°
38°
24
63°
38°
25
65°
45°
26
70°
49°
27
69°
49°
28
73°
48°
29
77°
51°
30
78°
46°
31
77°
46°
1
76°
44°
2
78°
43°
3
78°
46°
4
79°
51°
5
78°
49°
6
78°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St. Ives
St. Ives's May 2026 forecast shows daily high temperatures ranging from 57° to 79°, with overnight lows between 31° and 52°. The average high for May is 67° with an average low of 39°. 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. Ives. See also: June | July | August.
