S
M
T
W
T
F
S
26
59°
39°
27
68°
43°
28
55°
46°
29
59°
48°
30
63°
46°
1
72°
46°
2
70°
52°
3
66°
52°
4
54°
43°
5
61°
37°
6
52°
41°
7
54°
45°
8
64°
41°
9
63°
39°
10
54°
37°
11
52°
32°
12
59°
36°
13
54°
39°
14
55°
41°
15
54°
41°
16
59°
43°
17
61°
48°
18
61°
45°
19
64°
52°
20
67°
51°
21
71°
54°
22
74°
59°
23
72°
52°
24
72°
51°
25
74°
56°
26
74°
55°
27
69°
54°
28
67°
52°
29
64°
51°
30
63°
50°
31
63°
49°
1
61°
50°
2
60°
48°
3
59°
49°
4
60°
50°
5
61°
51°
6
61°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Leiston
Leiston's May 2026 forecast shows daily high temperatures ranging from 59° to 74°, with overnight lows between 48° and 59°. The average high for May is 66° with an average low of 52°. 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 Leiston. See also: June | July | August.
