S
M
T
W
T
F
S
26
68°
42°
27
58°
48°
28
61°
43°
29
52°
35°
30
51°
30°
1
48°
29°
2
61°
30°
3
72°
42°
4
73°
38°
5
53°
34°
6
49°
28°
7
54°
30°
8
68°
30°
9
61°
33°
10
60°
27°
11
60°
29°
12
78°
38°
13
64°
44°
14
72°
32°
15
82°
49°
16
84°
54°
17
61°
47°
18
81°
51°
19
66°
47°
20
61°
45°
21
63°
41°
22
67°
45°
23
72°
51°
24
78°
51°
25
84°
55°
26
90°
59°
27
86°
51°
28
79°
46°
29
86°
54°
30
79°
50°
31
81°
53°
1
79°
50°
2
80°
54°
3
79°
55°
4
82°
58°
5
84°
59°
6
83°
58°
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 79° to 90°, with overnight lows between 46° and 59°. The average high for May is 82° with an average low of 54°. 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.
