S
M
T
W
T
F
S
26
60°
49°
27
71°
52°
28
65°
41°
29
65°
39°
30
60°
45°
1
70°
43°
2
71°
44°
3
87°
48°
4
87°
55°
5
66°
44°
6
57°
43°
7
80°
39°
8
80°
50°
9
87°
48°
10
72°
50°
11
80°
43°
12
94°
55°
13
84°
57°
14
95°
63°
15
96°
63°
16
94°
65°
17
96°
67°
18
94°
52°
19
66°
45°
20
67°
47°
21
67°
55°
22
73°
58°
23
77°
57°
24
86°
62°
25
88°
61°
26
87°
62°
27
81°
64°
28
77°
63°
29
80°
62°
30
85°
59°
31
81°
56°
1
78°
56°
2
82°
58°
3
80°
59°
4
82°
61°
5
84°
60°
6
87°
66°
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 77° to 88°, with overnight lows between 56° and 66°. The average high for May is 82° with an average low of 60°. 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.
