S
M
T
W
T
F
S
26
70°
54°
27
81°
52°
28
75°
59°
29
66°
54°
30
57°
41°
1
61°
39°
2
55°
36°
3
63°
32°
4
77°
50°
5
72°
64°
6
63°
52°
7
66°
46°
8
70°
39°
9
72°
55°
10
75°
59°
11
70°
52°
12
75°
45°
13
75°
52°
14
61°
45°
15
72°
41°
16
81°
59°
17
86°
63°
18
90°
72°
19
86°
68°
20
79°
64°
21
64°
54°
22
70°
57°
23
77°
66°
24
76°
63°
25
76°
62°
26
75°
66°
27
74°
62°
28
81°
56°
29
78°
57°
30
73°
52°
31
74°
55°
1
75°
53°
2
75°
55°
3
78°
59°
4
78°
60°
5
77°
61°
6
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Preston
Preston's May 2026 forecast shows daily high temperatures ranging from 73° to 81°, with overnight lows between 52° and 66°. The average high for May is 76° with an average low of 58°. 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 Preston. See also: June | July | August.
