S
M
T
W
T
F
S
26
80°
51°
27
83°
60°
28
66°
53°
29
65°
48°
30
64°
41°
1
60°
45°
2
58°
43°
3
70°
41°
4
76°
55°
5
68°
43°
6
58°
44°
7
65°
39°
8
73°
49°
9
79°
54°
10
71°
55°
11
77°
44°
12
79°
51°
13
76°
52°
14
72°
45°
15
81°
54°
16
80°
70°
17
88°
67°
18
81°
63°
19
81°
63°
20
67°
55°
21
66°
54°
22
68°
59°
23
71°
62°
24
76°
59°
25
81°
54°
26
78°
66°
27
82°
65°
28
84°
64°
29
78°
64°
30
81°
59°
31
78°
56°
1
80°
56°
2
84°
57°
3
81°
61°
4
80°
61°
5
86°
64°
6
87°
67°
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 78° to 87°, with overnight lows between 56° and 67°. The average high for May is 82° with an average low of 62°. 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.
