S
M
T
W
T
F
S
26
66°
47°
27
77°
49°
28
72°
58°
29
64°
47°
30
57°
42°
1
52°
41°
2
51°
35°
3
60°
33°
4
73°
47°
5
68°
48°
6
58°
44°
7
59°
42°
8
67°
42°
9
73°
53°
10
67°
54°
11
70°
42°
12
73°
41°
13
67°
47°
14
63°
43°
15
66°
42°
16
72°
54°
17
83°
63°
18
86°
69°
19
86°
64°
20
69°
49°
21
67°
53°
22
68°
65°
23
74°
64°
24
80°
65°
25
78°
63°
26
79°
62°
27
78°
63°
28
77°
62°
29
78°
60°
30
80°
60°
31
81°
58°
1
80°
62°
2
79°
62°
3
78°
59°
4
74°
57°
5
75°
56°
6
77°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pasadena
Pasadena's May 2026 forecast shows daily high temperatures ranging from 67° to 86°, with overnight lows between 49° and 69°. The average high for May is 77° with an average low of 61°. 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 Pasadena. See also: June | July | August.
