S
M
T
W
T
F
S
26
63°
45°
27
65°
45°
28
69°
44°
29
70°
49°
30
67°
51°
1
65°
52°
2
64°
50°
3
63°
48°
4
67°
50°
5
69°
49°
6
70°
50°
7
71°
49°
8
67°
49°
9
68°
50°
10
70°
50°
11
70°
48°
12
69°
48°
13
64°
48°
14
65°
49°
15
65°
50°
16
64°
49°
17
64°
47°
18
65°
50°
19
64°
46°
20
65°
49°
21
67°
50°
22
71°
51°
23
73°
54°
24
74°
54°
25
73°
53°
26
71°
52°
27
67°
52°
28
66°
51°
29
65°
50°
30
66°
49°
31
65°
50°
1
65°
49°
2
66°
50°
3
67°
51°
4
70°
53°
5
69°
51°
6
66°
50°
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 63° to 74°, with overnight lows between 46° and 54°. The average high for May is 67° with an average low of 50°. 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.
