S
M
T
W
T
F
S
27
41°
22°
28
38°
22°
29
39°
23°
30
42°
36°
31
52°
28°
1
56°
22°
2
41°
19°
3
35°
18°
4
35°
21°
5
38°
35°
6
46°
39°
7
54°
27°
8
55°
22°
9
44°
20°
10
35°
24°
11
41°
19°
12
38°
16°
13
34°
16°
14
33°
18°
15
35°
19°
16
35°
23°
17
42°
30°
18
41°
26°
19
54°
22°
20
39°
20°
21
36°
26°
22
41°
32°
23
47°
35°
24
48°
39°
25
54°
38°
26
56°
36°
27
54°
35°
28
50°
32°
29
50°
30°
30
39°
23°
31
42°
18°
1
53°
21°
2
52°
19°
3
Hist. Avg.
46°
30°
4
Hist. Avg.
46°
30°
5
Hist. Avg.
46°
30°
6
Hist. Avg.
46°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Washington
Washington's January 2027 forecast shows daily high temperatures ranging from 33° to 56°, with overnight lows between 16° and 39°. The average high for January is 44° with an average low of 26°. 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 Washington. See also: February | March | April.
