S
M
T
W
T
F
S
26
64°
45°
27
64°
48°
28
54°
43°
29
59°
43°
30
63°
43°
1
77°
36°
2
68°
54°
3
55°
50°
4
59°
45°
5
57°
43°
6
50°
37°
7
59°
32°
8
64°
50°
9
64°
43°
10
54°
41°
11
52°
36°
12
59°
36°
13
52°
43°
14
54°
43°
15
54°
43°
16
61°
43°
17
59°
45°
18
61°
43°
19
66°
50°
20
66°
54°
21
70°
52°
22
82°
55°
23
77°
55°
24
82°
52°
25
91°
54°
26
81°
51°
27
58°
49°
28
69°
56°
29
71°
47°
30
65°
51°
31
65°
52°
1
72°
58°
2
64°
54°
3
63°
56°
4
62°
53°
5
60°
52°
6
62°
53°
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 58° to 81°, with overnight lows between 47° and 58°. The average high for May is 66° with an average low of 53°. 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.
