S
M
T
W
T
F
S
27
54°
30°
28
54°
30°
29
55°
37°
30
57°
36°
31
64°
30°
1
55°
28°
2
51°
27°
3
50°
29°
4
52°
35°
5
54°
44°
6
59°
42°
7
66°
30°
8
65°
27°
9
52°
30°
10
51°
28°
11
51°
28°
12
52°
27°
13
51°
27°
14
49°
28°
15
51°
28°
16
51°
37°
17
53°
31°
18
66°
27°
19
61°
26°
20
49°
28°
21
51°
36°
22
53°
44°
23
59°
44°
24
61°
45°
25
64°
44°
26
67°
39°
27
65°
32°
28
58°
31°
29
53°
31°
30
53°
29°
31
58°
26°
1
69°
31°
2
Hist. Avg.
61°
38°
3
Hist. Avg.
61°
38°
4
Hist. Avg.
61°
38°
5
Hist. Avg.
61°
38°
6
Hist. Avg.
61°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Ashburn
Ashburn's January 2027 forecast shows daily high temperatures ranging from 49° to 69°, with overnight lows between 26° and 45°. The average high for January is 56° with an average low of 32°. 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 Ashburn. See also: February | March | April.
