S
M
T
W
T
F
S
26
73°
58°
27
74°
59°
28
75°
58°
29
78°
58°
30
80°
59°
1
78°
57°
2
75°
55°
3
76°
56°
4
78°
56°
5
76°
53°
6
71°
53°
7
71°
54°
8
72°
54°
9
73°
55°
10
73°
54°
11
75°
54°
12
75°
55°
13
78°
57°
14
76°
54°
15
72°
55°
16
72°
54°
17
74°
55°
18
80°
57°
19
79°
58°
20
80°
60°
21
81°
59°
22
76°
57°
23
73°
55°
24
77°
57°
25
76°
56°
26
73°
56°
27
73°
57°
28
74°
56°
29
74°
56°
30
76°
60°
31
79°
61°
1
77°
62°
2
81°
63°
3
84°
63°
4
82°
60°
5
83°
61°
6
82°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Placentia
Placentia's May 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 53° and 63°. The average high for May is 76° with an average low of 57°. 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 Placentia. See also: June | July | August.
