S
M
T
W
T
F
S
26
60°
55°
27
62°
53°
28
66°
54°
29
65°
54°
30
63°
53°
1
68°
54°
2
64°
54°
3
66°
54°
4
66°
55°
5
67°
55°
6
70°
56°
7
69°
54°
8
68°
57°
9
72°
56°
10
74°
56°
11
75°
55°
12
76°
56°
13
75°
55°
14
68°
52°
15
65°
54°
16
64°
53°
17
65°
51°
18
64°
54°
19
64°
50°
20
67°
52°
21
69°
54°
22
72°
55°
23
73°
58°
24
74°
58°
25
73°
57°
26
71°
56°
27
68°
55°
28
66°
54°
29
65°
53°
30
66°
54°
31
65°
53°
1
66°
52°
2
67°
53°
3
69°
55°
4
72°
57°
5
70°
54°
6
68°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alameda
Alameda's May 2026 forecast shows daily high temperatures ranging from 64° to 76°, with overnight lows between 50° and 58°. The average high for May is 69° 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 Alameda. See also: June | July | August.
