S
M
T
W
T
F
S
26
67°
53°
27
67°
52°
28
71°
44°
29
71°
46°
30
70°
46°
1
67°
50°
2
65°
53°
3
66°
55°
4
67°
53°
5
66°
55°
6
69°
52°
7
69°
53°
8
70°
51°
9
78°
53°
10
80°
55°
11
79°
54°
12
78°
53°
13
80°
55°
14
80°
53°
15
77°
54°
16
75°
52°
17
73°
50°
18
76°
53°
19
77°
54°
20
78°
54°
21
76°
52°
22
76°
52°
23
77°
54°
24
78°
54°
25
78°
53°
26
77°
53°
27
73°
52°
28
71°
53°
29
72°
54°
30
72°
53°
31
74°
54°
1
76°
54°
2
78°
54°
3
76°
55°
4
72°
54°
5
73°
53°
6
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ventura
Ventura's May 2026 forecast shows daily high temperatures ranging from 66° to 80°, with overnight lows between 50° and 55°. The average high for May is 75° with an average low of 53°. 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 Ventura. See also: June | July | August.