S
M
T
W
T
F
S
26
66°
43°
27
67°
44°
28
66°
44°
29
68°
47°
30
65°
46°
1
63°
47°
2
62°
47°
3
61°
46°
4
63°
44°
5
62°
46°
6
62°
42°
7
65°
45°
8
66°
46°
9
66°
49°
10
65°
47°
11
66°
48°
12
60°
45°
13
59°
44°
14
61°
44°
15
62°
47°
16
67°
51°
17
68°
51°
18
66°
50°
19
65°
52°
20
68°
50°
21
67°
51°
22
64°
51°
23
63°
49°
24
64°
48°
25
66°
51°
26
69°
53°
27
68°
52°
28
70°
53°
29
70°
53°
30
69°
51°
31
62°
49°
1
64°
52°
2
63°
49°
3
70°
54°
4
71°
53°
5
62°
47°
6
66°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bainbridge Island
Bainbridge Island's May 2026 forecast shows daily high temperatures ranging from 59° to 71°, with overnight lows between 42° and 55°. The average high for May is 65° with an average low of 48°. 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 Bainbridge Island. See also: June | July | August.