S
M
T
W
T
F
S
26
45°
38°
27
42°
37°
28
44°
35°
29
47°
28°
30
40°
28°
1
38°
35°
2
46°
35°
3
44°
37°
4
43°
39°
5
44°
38°
6
43°
40°
7
46°
35°
8
48°
41°
9
46°
39°
10
47°
42°
11
43°
38°
12
44°
38°
13
43°
39°
14
52°
41°
15
49°
38°
16
48°
38°
17
49°
41°
18
50°
40°
19
50°
40°
20
51°
39°
21
50°
39°
22
50°
40°
23
51°
42°
24
51°
39°
25
52°
39°
26
52°
40°
27
54°
40°
28
56°
41°
29
59°
43°
30
58°
44°
31
55°
46°
1
57°
43°
2
59°
44°
3
57°
42°
4
60°
43°
5
60°
44°
6
62°
47°
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 38° to 62°, with overnight lows between 35° and 47°. The average high for May is 50° with an average low of 40°. 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.
