S
M
T
W
T
F
S
26
52°
41°
27
68°
37°
28
63°
41°
29
67°
50°
30
70°
47°
1
65°
43°
2
62°
48°
3
62°
44°
4
76°
47°
5
83°
61°
6
70°
63°
7
65°
49°
8
70°
46°
9
74°
57°
10
83°
53°
11
61°
45°
12
68°
44°
13
73°
56°
14
64°
54°
15
71°
52°
16
82°
52°
17
84°
61°
18
93°
64°
19
95°
70°
20
95°
70°
21
73°
57°
22
60°
52°
23
56°
55°
24
74°
62°
25
74°
63°
26
72°
63°
27
79°
66°
28
80°
59°
29
74°
54°
30
71°
50°
31
70°
55°
1
74°
57°
2
78°
59°
3
77°
60°
4
76°
58°
5
81°
59°
6
75°
56°
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 56° to 81°, with overnight lows between 50° and 66°. The average high for May is 74° 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.
