S
M
T
W
T
F
S
26
68°
50°
27
68°
46°
28
57°
41°
29
54°
41°
30
50°
37°
1
52°
33°
2
60°
46°
3
68°
47°
4
68°
36°
5
51°
34°
6
47°
31°
7
51°
38°
8
62°
42°
9
63°
43°
10
61°
43°
11
62°
46°
12
64°
43°
13
62°
42°
14
67°
43°
15
61°
40°
16
60°
41°
17
61°
48°
18
64°
47°
19
70°
48°
20
71°
50°
21
70°
47°
22
62°
41°
23
62°
40°
24
63°
41°
25
63°
45°
26
64°
47°
27
66°
46°
28
65°
44°
29
65°
46°
30
72°
47°
31
66°
46°
1
67°
52°
2
71°
48°
3
67°
48°
4
68°
46°
5
69°
46°
6
69°
47°
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 47° to 72°, with overnight lows between 31° and 52°. The average high for May is 64° 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 Preston. See also: June | July | August.
