S
M
T
W
T
F
S
26
59°
36°
27
59°
47°
28
55°
43°
29
59°
39°
30
61°
40°
1
56°
45°
2
63°
46°
3
68°
45°
4
65°
47°
5
63°
47°
6
62°
50°
7
61°
48°
8
57°
50°
9
60°
49°
10
69°
51°
11
67°
50°
12
65°
49°
13
68°
51°
14
68°
50°
15
67°
50°
16
69°
49°
17
70°
49°
18
66°
48°
19
61°
46°
20
62°
45°
21
70°
52°
22
70°
52°
23
66°
50°
24
71°
53°
25
70°
51°
26
68°
52°
27
71°
54°
28
72°
54°
29
73°
55°
30
72°
54°
31
73°
55°
1
73°
54°
2
72°
53°
3
72°
54°
4
71°
53°
5
71°
54°
6
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Guemes
Guemes's May 2026 forecast shows daily high temperatures ranging from 57° to 73°, with overnight lows between 45° and 55°. The average high for May is 68° with an average low of 51°. 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 Guemes. See also: June | July | August.
