S
M
T
W
T
F
S
29
51°
38°
30
55°
37°
1
52°
36°
2
50°
31°
3
42°
28°
4
47°
29°
5
53°
36°
6
48°
33°
7
41°
24°
8
39°
21°
9
39°
21°
10
40°
27°
11
40°
32°
12
42°
27°
13
44°
24°
14
40°
21°
15
39°
26°
16
40°
30°
17
42°
29°
18
45°
26°
19
44°
21°
20
40°
21°
21
37°
20°
22
38°
23°
23
41°
26°
24
40°
24°
25
39°
20°
26
38°
18°
27
37°
19°
28
36°
19°
29
37°
20°
30
37°
21°
31
39°
19°
1
39°
16°
2
36°
13°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Guston
Guston's December 2026 forecast shows daily high temperatures ranging from 36° to 55°, with overnight lows between 13° and 38°. The average high for December is 42° with an average low of 25°. 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 Guston. See also: January | February | March.
