S
M
T
W
T
F
S
26
63°
50°
27
64°
50°
28
74°
45°
29
77°
46°
30
77°
49°
1
82°
53°
2
85°
54°
3
68°
55°
4
64°
53°
5
62°
51°
6
77°
46°
7
88°
53°
8
87°
54°
9
88°
56°
10
90°
55°
11
98°
57°
12
73°
56°
13
78°
57°
14
78°
53°
15
77°
54°
16
73°
58°
17
66°
55°
18
80°
54°
19
84°
50°
20
88°
54°
21
92°
50°
22
87°
52°
23
87°
51°
24
85°
53°
25
81°
54°
26
78°
53°
27
77°
52°
28
84°
54°
29
87°
55°
30
86°
56°
31
85°
57°
1
88°
56°
2
88°
57°
3
87°
55°
4
82°
52°
5
85°
56°
6
89°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Perris Valley
Perris Valley's May 2026 forecast shows daily high temperatures ranging from 77° to 92°, with overnight lows between 50° and 57°. The average high for May is 85° with an average low of 54°. 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 Perris Valley. See also: June | July | August.
