S
M
T
W
T
F
S
26
66°
51°
27
69°
49°
28
73°
49°
29
73°
50°
30
72°
50°
1
62°
53°
2
64°
54°
3
66°
55°
4
66°
52°
5
67°
55°
6
70°
55°
7
67°
54°
8
68°
56°
9
74°
55°
10
73°
55°
11
74°
54°
12
75°
55°
13
75°
54°
14
68°
51°
15
64°
53°
16
64°
52°
17
65°
50°
18
63°
53°
19
64°
49°
20
66°
51°
21
69°
53°
22
71°
54°
23
72°
57°
24
73°
57°
25
73°
55°
26
70°
55°
27
67°
54°
28
65°
53°
29
65°
52°
30
64°
53°
31
65°
52°
1
65°
51°
2
66°
52°
3
68°
54°
4
71°
56°
5
70°
53°
6
68°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in San Leandro
San Leandro's May 2026 forecast shows daily high temperatures ranging from 62° to 75°, with overnight lows between 49° and 57°. The average high for May is 68° 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 San Leandro. See also: June | July | August.
