S
M
T
W
T
F
S
26
64°
45°
27
76°
44°
28
69°
52°
29
64°
53°
30
54°
38°
1
63°
35°
2
52°
34°
3
60°
34°
4
73°
49°
5
78°
61°
6
66°
50°
7
62°
42°
8
67°
36°
9
68°
51°
10
65°
48°
11
64°
44°
12
73°
40°
13
69°
48°
14
52°
44°
15
68°
39°
16
74°
45°
17
82°
61°
18
89°
66°
19
89°
65°
20
72°
49°
21
62°
52°
22
68°
55°
23
70°
60°
24
73°
58°
25
72°
57°
26
73°
55°
27
73°
53°
28
74°
55°
29
75°
55°
30
77°
52°
31
75°
57°
1
74°
57°
2
75°
58°
3
74°
57°
4
72°
55°
5
70°
54°
6
73°
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 62° to 89°, with overnight lows between 49° and 66°. The average high for May is 74° with an average low of 57°. 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.
