S
M
T
W
T
F
S
26
72°
41°
27
58°
45°
28
61°
49°
29
72°
42°
30
82°
46°
1
75°
53°
2
75°
51°
3
91°
53°
4
76°
56°
5
65°
54°
6
67°
55°
7
71°
52°
8
69°
51°
9
79°
48°
10
70°
54°
11
81°
52°
12
84°
55°
13
64°
53°
14
63°
51°
15
58°
43°
16
58°
45°
17
66°
41°
18
71°
49°
19
70°
50°
20
70°
52°
21
84°
51°
22
82°
55°
23
75°
47°
24
76°
57°
25
62°
50°
26
64°
49°
27
72°
53°
28
71°
52°
29
69°
50°
30
68°
49°
31
67°
50°
1
77°
51°
2
83°
54°
3
81°
55°
4
82°
54°
5
71°
52°
6
69°
48°
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 62° to 83°, with overnight lows between 47° and 57°. The average high for May is 72° 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 Alameda. See also: June | July | August.
