S
M
T
W
T
F
S
26
80°
56°
27
75°
51°
28
74°
50°
29
77°
58°
30
70°
48°
1
68°
45°
2
64°
39°
3
69°
32°
4
79°
33°
5
76°
37°
6
70°
58°
7
70°
45°
8
70°
43°
9
75°
45°
10
81°
45°
11
74°
50°
12
73°
49°
13
76°
46°
14
67°
37°
15
77°
46°
16
86°
53°
17
87°
57°
18
85°
60°
19
85°
60°
20
79°
58°
21
75°
57°
22
75°
54°
23
74°
55°
24
76°
55°
25
75°
56°
26
77°
54°
27
79°
59°
28
78°
58°
29
77°
59°
30
79°
58°
31
76°
54°
1
75°
56°
2
78°
58°
3
79°
59°
4
79°
60°
5
80°
60°
6
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Whittier
Whittier's May 2026 forecast shows daily high temperatures ranging from 67° to 87°, with overnight lows between 37° and 61°. The average high for May is 78° with an average low of 56°. 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 Whittier. See also: June | July | August.
