S
M
T
W
T
F
S
27
29°
19°
28
27°
26°
29
39°
30°
30
42°
29°
31
37°
32°
1
36°
34°
2
41°
18°
3
41°
18°
4
32°
19°
5
29°
17°
6
31°
16°
7
26°
18°
8
27°
26°
9
38°
30°
10
39°
31°
11
41°
32°
12
41°
24°
13
40°
18°
14
39°
26°
15
26°
15°
16
25°
13°
17
25°
24°
18
37°
32°
19
42°
33°
20
42°
34°
21
Hist. Avg.
27°
15°
22
Hist. Avg.
27°
15°
23
Hist. Avg.
27°
15°
24
Hist. Avg.
27°
16°
25
Hist. Avg.
27°
16°
26
Hist. Avg.
27°
16°
27
Hist. Avg.
27°
16°
28
Hist. Avg.
27°
16°
29
Hist. Avg.
27°
16°
30
Hist. Avg.
28°
16°
31
Hist. Avg.
28°
17°
1
Hist. Avg.
28°
17°
2
Hist. Avg.
28°
17°
3
Hist. Avg.
28°
17°
4
Hist. Avg.
28°
17°
5
Hist. Avg.
28°
17°
6
Hist. Avg.
28°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Whittier
Whittier's January 2027 forecast shows daily high temperatures ranging from 25° to 42°, with overnight lows between 13° and 34°. The average high for January is 35° with an average low of 25°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Whittier. See also: February | March | April.
