S
M
T
W
T
F
S
27
65°
38°
28
66°
37°
29
64°
36°
30
63°
38°
31
64°
40°
1
66°
40°
2
68°
41°
3
69°
42°
4
70°
42°
5
71°
43°
6
65°
43°
7
67°
44°
8
71°
45°
9
70°
44°
10
71°
47°
11
70°
48°
12
66°
44°
13
Hist. Avg.
69°
50°
14
Hist. Avg.
69°
50°
15
Hist. Avg.
69°
50°
16
Hist. Avg.
69°
50°
17
Hist. Avg.
69°
50°
18
Hist. Avg.
69°
50°
19
Hist. Avg.
69°
50°
20
Hist. Avg.
69°
50°
21
Hist. Avg.
69°
50°
22
Hist. Avg.
69°
50°
23
Hist. Avg.
69°
50°
24
Hist. Avg.
69°
50°
25
Hist. Avg.
69°
50°
26
Hist. Avg.
69°
50°
27
Hist. Avg.
69°
50°
28
Hist. Avg.
69°
50°
29
Hist. Avg.
69°
50°
30
Hist. Avg.
69°
50°
31
Hist. Avg.
69°
50°
1
Hist. Avg.
69°
50°
2
Hist. Avg.
69°
50°
3
Hist. Avg.
69°
50°
4
Hist. Avg.
69°
50°
5
Hist. Avg.
69°
50°
6
Hist. Avg.
69°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Walnut
Walnut's January 2027 forecast shows daily high temperatures ranging from 63° to 71°, with overnight lows between 36° and 48°. The average high for January is 67° with an average low of 42°. 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 Walnut. See also: February | March | April.
