S
M
T
W
T
F
S
29
45°
33°
30
45°
33°
1
46°
41°
2
49°
42°
3
50°
42°
4
50°
38°
5
52°
33°
6
51°
33°
7
48°
34°
8
48°
38°
9
52°
36°
10
48°
32°
11
49°
33°
12
48°
33°
13
51°
40°
14
45°
39°
15
52°
38°
16
48°
39°
17
47°
36°
18
48°
40°
19
51°
39°
20
49°
40°
21
46°
41°
22
51°
38°
23
50°
39°
24
48°
36°
25
50°
30°
26
48°
30°
27
42°
32°
28
41°
34°
29
44°
32°
30
43°
42°
31
50°
41°
1
52°
35°
2
51°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Gladstone
Gladstone's December 2026 forecast shows daily high temperatures ranging from 41° to 52°, with overnight lows between 30° and 42°. The average high for December is 48° with an average low of 36°. 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 Gladstone. See also: January | February | March.
