S
M
T
W
T
F
S
26
80°
57°
27
85°
58°
28
59°
51°
29
63°
46°
30
68°
43°
1
64°
44°
2
64°
41°
3
80°
42°
4
81°
64°
5
66°
44°
6
61°
44°
7
68°
39°
8
74°
52°
9
82°
53°
10
69°
49°
11
78°
43°
12
81°
54°
13
76°
57°
14
77°
47°
15
83°
64°
16
85°
71°
17
85°
68°
18
76°
62°
19
72°
56°
20
63°
52°
21
72°
57°
22
68°
61°
23
80°
60°
24
79°
58°
25
80°
56°
26
N/A
27
82°
64°
28
79°
66°
29
76°
61°
30
79°
62°
31
78°
57°
1
78°
60°
2
81°
58°
3
78°
60°
4
80°
62°
5
84°
63°
6
87°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Preston
Preston's May 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 57° and 68°. The average high for May is 80° 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.
