S
M
T
W
T
F
S
26
41°
33°
27
38°
27°
28
38°
26°
29
40°
29°
30
56°
28°
1
56°
36°
2
63°
43°
3
54°
41°
4
48°
38°
5
43°
38°
6
49°
40°
7
62°
40°
8
57°
39°
9
47°
36°
10
45°
35°
11
52°
38°
12
56°
38°
13
45°
37°
14
45°
38°
15
51°
39°
16
48°
38°
17
46°
38°
18
53°
38°
19
N/A
20
54°
40°
21
58°
38°
22
51°
40°
23
51°
37°
24
53°
38°
25
62°
43°
26
61°
38°
27
53°
37°
28
55°
38°
29
58°
40°
30
55°
41°
31
55°
40°
1
54°
39°
2
55°
40°
3
54°
39°
4
55°
39°
5
56°
38°
6
55°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Placentia Junction
Placentia Junction's May 2026 forecast shows daily high temperatures ranging from 51° to 62°, with overnight lows between 37° and 43°. The average high for May is 55° with an average low of 39°. 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 Junction. See also: June | July | August.
