S
M
T
W
T
F
S
29
57°
38°
30
58°
46°
1
60°
39°
2
58°
40°
3
57°
41°
4
62°
43°
5
63°
36°
6
56°
41°
7
57°
36°
8
54°
42°
9
53°
42°
10
57°
41°
11
62°
43°
12
63°
41°
13
57°
39°
14
60°
39°
15
61°
40°
16
61°
41°
17
60°
43°
18
62°
43°
19
62°
45°
20
61°
36°
21
55°
37°
22
54°
39°
23
56°
43°
24
57°
37°
25
55°
36°
26
56°
40°
27
61°
38°
28
60°
40°
29
60°
41°
30
Hist. Avg.
55°
38°
31
Hist. Avg.
55°
38°
1
Hist. Avg.
55°
38°
2
Hist. Avg.
55°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Grayson
Grayson's December 2026 forecast shows daily high temperatures ranging from 53° to 63°, with overnight lows between 36° and 46°. The average high for December is 59° with an average low of 40°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Grayson. See also: January | February | March.
