S
M
T
W
T
F
S
26
82°
62°
27
80°
64°
28
71°
58°
29
85°
64°
30
77°
64°
1
65°
57°
2
71°
52°
3
74°
44°
4
80°
45°
5
82°
48°
6
86°
61°
7
81°
67°
8
72°
61°
9
71°
60°
10
80°
63°
11
84°
62°
12
71°
61°
13
81°
60°
14
80°
58°
15
82°
48°
16
87°
53°
17
90°
68°
18
89°
62°
19
90°
64°
20
90°
68°
21
90°
66°
22
89°
66°
23
89°
69°
24
89°
67°
25
85°
70°
26
87°
70°
27
87°
71°
28
85°
71°
29
88°
70°
30
87°
70°
31
81°
69°
1
89°
69°
2
89°
65°
3
82°
55°
4
81°
61°
5
84°
62°
6
83°
65°
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 81° to 89°, with overnight lows between 55° and 70°. The average high for May is 85° with an average low of 65°. 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.
