S
M
T
W
T
F
S
26
65°
41°
27
73°
36°
28
68°
39°
29
67°
48°
30
60°
46°
1
65°
35°
2
58°
43°
3
60°
34°
4
73°
36°
5
85°
47°
6
65°
45°
7
60°
39°
8
57°
41°
9
56°
44°
10
69°
51°
11
55°
39°
12
59°
38°
13
58°
47°
14
66°
46°
15
64°
49°
16
64°
44°
17
64°
43°
18
62°
44°
19
67°
45°
20
64°
40°
21
65°
41°
22
65°
42°
23
66°
42°
24
67°
44°
25
70°
48°
26
73°
50°
27
69°
48°
28
70°
44°
29
68°
43°
30
71°
49°
31
76°
52°
1
76°
52°
2
73°
49°
3
74°
50°
4
78°
54°
5
78°
54°
6
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Stanford
Stanford's May 2026 forecast shows daily high temperatures ranging from 55° to 78°, with overnight lows between 38° and 55°. The average high for May is 67° with an average low of 46°. 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 Stanford. See also: June | July | August.