S
M
T
W
T
F
S
26
48°
34°
27
44°
32°
28
53°
28°
29
58°
27°
30
62°
27°
1
63°
28°
2
68°
26°
3
71°
31°
4
62°
37°
5
60°
29°
6
67°
32°
7
77°
33°
8
78°
38°
9
76°
34°
10
80°
30°
11
85°
40°
12
86°
44°
13
80°
50°
14
78°
32°
15
78°
33°
16
68°
36°
17
47°
31°
18
53°
26°
19
60°
21°
20
68°
25°
21
74°
34°
22
76°
35°
23
76°
37°
24
79°
41°
25
79°
37°
26
75°
49°
27
64°
45°
28
65°
41°
29
62°
39°
30
70°
41°
31
75°
47°
1
77°
42°
2
81°
44°
3
87°
46°
4
84°
47°
5
83°
46°
6
81°
45°
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 87°, with overnight lows between 39° and 47°. The average high for May is 75° 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.
