S
M
T
W
T
F
S
26
64°
43°
27
70°
45°
28
57°
45°
29
68°
43°
30
72°
46°
1
68°
48°
2
64°
46°
3
63°
48°
4
64°
50°
5
63°
45°
6
59°
43°
7
59°
41°
8
64°
46°
9
70°
48°
10
55°
39°
11
57°
36°
12
59°
36°
13
57°
41°
14
57°
37°
15
54°
37°
16
57°
39°
17
57°
43°
18
N/A
19
60°
51°
20
62°
51°
21
68°
49°
22
74°
54°
23
71°
53°
24
73°
50°
25
77°
54°
26
76°
56°
27
76°
55°
28
72°
52°
29
70°
52°
30
71°
50°
31
59°
48°
1
60°
46°
2
61°
47°
3
63°
51°
4
62°
52°
5
65°
53°
6
67°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Stockton
Stockton's May 2026 forecast shows daily high temperatures ranging from 59° to 77°, with overnight lows between 46° and 56°. The average high for May is 68° 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 Stockton. See also: June | July | August.
