S
M
T
W
T
F
S
26
65°
37°
27
70°
39°
28
68°
42°
29
64°
47°
30
54°
40°
1
56°
35°
2
50°
33°
3
53°
33°
4
69°
38°
5
78°
49°
6
55°
42°
7
54°
36°
8
52°
37°
9
49°
35°
10
60°
41°
11
56°
33°
12
58°
32°
13
57°
41°
14
56°
45°
15
63°
43°
16
77°
44°
17
81°
56°
18
88°
56°
19
83°
70°
20
71°
50°
21
61°
46°
22
62°
38°
23
58°
45°
24
50°
44°
25
69°
50°
26
79°
48°
27
77°
57°
28
65°
49°
29
70°
44°
30
60°
42°
31
66°
48°
1
62°
45°
2
66°
46°
3
68°
51°
4
76°
55°
5
78°
59°
6
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Watsonville
Watsonville's May 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 42° and 59°. The average high for May is 69° with an average low of 49°. 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 Watsonville. See also: June | July | August.
