S
M
T
W
T
F
S
27
40°
28°
28
39°
31°
29
40°
28°
30
41°
33°
31
43°
39°
1
47°
33°
2
47°
31°
3
42°
29°
4
41°
29°
5
40°
27°
6
39°
28°
7
40°
29°
8
41°
30°
9
41°
29°
10
42°
29°
11
42°
30°
12
43°
31°
13
43°
30°
14
44°
31°
15
43°
32°
16
44°
32°
17
45°
33°
18
44°
34°
19
45°
35°
20
44°
35°
21
45°
36°
22
45°
39°
23
47°
38°
24
46°
36°
25
46°
35°
26
47°
34°
27
45°
36°
28
44°
37°
29
45°
38°
30
48°
38°
31
Hist. Avg.
50°
36°
1
Hist. Avg.
50°
36°
2
Hist. Avg.
50°
36°
3
Hist. Avg.
50°
36°
4
Hist. Avg.
50°
35°
5
Hist. Avg.
50°
35°
6
Hist. Avg.
50°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Chehalis
Chehalis's January 2027 forecast shows daily high temperatures ranging from 39° to 48°, with overnight lows between 27° and 39°. The average high for January is 43° with an average low of 33°. 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 Chehalis. See also: February | March | April.
