S
M
T
W
T
F
S
26
84°
61°
27
89°
62°
28
81°
68°
29
80°
63°
30
68°
58°
1
59°
54°
2
72°
48°
3
76°
48°
4
79°
55°
5
81°
66°
6
80°
64°
7
71°
51°
8
70°
53°
9
75°
55°
10
78°
60°
11
79°
59°
12
75°
53°
13
79°
56°
14
81°
56°
15
81°
59°
16
82°
58°
17
79°
62°
18
78°
62°
19
79°
63°
20
78°
63°
21
80°
58°
22
79°
56°
23
77°
56°
24
78°
57°
25
79°
59°
26
79°
57°
27
78°
57°
28
79°
58°
29
80°
62°
30
81°
64°
31
82°
66°
1
81°
66°
2
82°
65°
3
82°
65°
4
83°
66°
5
82°
66°
6
83°
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 70° to 83°, with overnight lows between 48° and 67°. The average high for May is 79° 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.
