S
M
T
W
T
F
S
26
83°
65°
27
84°
72°
28
82°
67°
29
70°
61°
30
68°
57°
1
66°
54°
2
73°
47°
3
79°
46°
4
79°
59°
5
77°
64°
6
75°
52°
7
70°
51°
8
79°
59°
9
84°
62°
10
81°
58°
11
75°
50°
12
78°
55°
13
85°
58°
14
83°
60°
15
88°
65°
16
89°
67°
17
85°
64°
18
86°
68°
19
85°
68°
20
86°
69°
21
83°
63°
22
80°
67°
23
80°
67°
24
81°
66°
25
81°
68°
26
80°
68°
27
81°
67°
28
81°
67°
29
82°
68°
30
81°
67°
31
82°
65°
1
83°
66°
2
85°
68°
3
86°
69°
4
85°
70°
5
82°
71°
6
83°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lewis
Lewis's May 2026 forecast shows daily high temperatures ranging from 75° to 89°, with overnight lows between 50° and 71°. The average high for May is 83° 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 Lewis. See also: June | July | August.
