S
M
T
W
T
F
S
26
47°
22°
27
51°
20°
28
58°
20°
29
63°
22°
30
53°
24°
1
58°
24°
2
47°
37°
3
58°
35°
4
45°
38°
5
61°
37°
6
62°
41°
7
64°
42°
8
58°
38°
9
56°
26°
10
61°
26°
11
51°
41°
12
47°
37°
13
41°
37°
14
65°
36°
15
52°
41°
16
48°
41°
17
54°
34°
18
45°
34°
19
51°
35°
20
50°
40°
21
47°
35°
22
46°
35°
23
51°
34°
24
53°
37°
25
55°
41°
26
56°
41°
27
55°
40°
28
53°
38°
29
53°
35°
30
54°
35°
31
54°
36°
1
55°
40°
2
54°
41°
3
55°
40°
4
55°
36°
5
54°
36°
6
55°
37°
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 45° to 56°, with overnight lows between 34° and 41°. The average high for May is 52° with an average low of 37°. 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.
