S
M
T
W
T
F
S
26
84°
74°
27
94°
76°
28
92°
73°
29
87°
75°
30
84°
76°
1
85°
77°
2
84°
73°
3
82°
69°
4
87°
71°
5
90°
73°
6
87°
74°
7
86°
75°
8
90°
78°
9
90°
78°
10
90°
79°
11
92°
80°
12
89°
76°
13
86°
77°
14
88°
77°
15
94°
76°
16
90°
80°
17
93°
78°
18
96°
78°
19
96°
78°
20
93°
75°
21
93°
75°
22
93°
75°
23
93°
75°
24
91°
76°
25
91°
76°
26
91°
77°
27
88°
76°
28
87°
77°
29
87°
75°
30
84°
75°
31
85°
74°
1
87°
73°
2
86°
75°
3
85°
75°
4
87°
74°
5
87°
76°
6
86°
74°
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 84° to 91°, with overnight lows between 73° and 77°. The average high for May is 87° with an average low of 75°. 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.
