S
M
T
W
T
F
S
27
38°
24°
28
44°
31°
29
51°
33°
30
50°
34°
31
54°
36°
1
53°
30°
2
54°
22°
3
55°
17°
4
38°
17°
5
37°
18°
6
37°
21°
7
38°
19°
8
38°
15°
9
37°
20°
10
37°
16°
11
38°
11°
12
37°
15°
13
35°
13°
14
35°
14°
15
32°
16°
16
34°
15°
17
35°
14°
18
35°
16°
19
37°
23°
20
39°
27°
21
38°
28°
22
38°
25°
23
40°
21°
24
39°
15°
25
38°
17°
26
37°
18°
27
46°
27°
28
37°
17°
29
37°
19°
30
Hist. Avg.
41°
24°
31
Hist. Avg.
42°
24°
1
Hist. Avg.
42°
24°
2
Hist. Avg.
42°
25°
3
Hist. Avg.
42°
25°
4
Hist. Avg.
42°
25°
5
Hist. Avg.
43°
25°
6
Hist. Avg.
43°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Grayson
Grayson's January 2027 forecast shows daily high temperatures ranging from 32° to 55°, with overnight lows between 11° and 36°. The average high for January is 40° with an average low of 21°. 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 Grayson. See also: February | March | April.
