S
M
T
W
T
F
S
26
59°
43°
27
59°
41°
28
61°
43°
29
68°
37°
30
72°
41°
1
66°
49°
2
59°
48°
3
57°
44°
4
55°
42°
5
54°
39°
6
52°
38°
7
53°
41°
8
58°
43°
9
57°
41°
10
57°
44°
11
57°
46°
12
59°
45°
13
58°
46°
14
54°
41°
15
55°
46°
16
58°
46°
17
56°
45°
18
56°
46°
19
57°
46°
20
56°
45°
21
56°
46°
22
57°
44°
23
56°
43°
24
56°
42°
25
57°
42°
26
56°
42°
27
57°
47°
28
58°
48°
29
58°
44°
30
57°
43°
31
56°
43°
1
56°
42°
2
57°
43°
3
56°
44°
4
57°
43°
5
57°
44°
6
58°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Prestwick
Prestwick's May 2026 forecast shows daily high temperatures ranging from 52° to 66°, with overnight lows between 38° and 49°. The average high for May is 57° with an average low of 44°. 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 Prestwick. See also: June | July | August.