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