S
M
T
W
T
F
S
26
66°
53°
27
67°
54°
28
75°
49°
29
78°
50°
30
76°
54°
1
80°
56°
2
79°
54°
3
65°
56°
4
68°
55°
5
68°
52°
6
76°
54°
7
83°
57°
8
82°
57°
9
84°
59°
10
86°
60°
11
86°
57°
12
80°
58°
13
76°
59°
14
78°
58°
15
77°
57°
16
76°
58°
17
77°
56°
18
76°
56°
19
78°
55°
20
73°
52°
21
74°
53°
22
73°
52°
23
74°
55°
24
78°
58°
25
81°
58°
26
80°
56°
27
76°
54°
28
75°
53°
29
75°
56°
30
78°
58°
31
80°
60°
1
82°
60°
2
81°
59°
3
78°
58°
4
75°
60°
5
76°
59°
6
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Porter Ranch
Porter Ranch's May 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 52° and 60°. The average high for May is 78° 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 Porter Ranch. See also: June | July | August.
