S
M
T
W
T
F
S
29
50°
36°
30
48°
35°
1
47°
34°
2
37°
32°
3
43°
33°
4
48°
33°
5
46°
32°
6
38°
27°
7
33°
22°
8
32°
22°
9
35°
26°
10
41°
30°
11
42°
30°
12
45°
29°
13
41°
30°
14
35°
26°
15
41°
25°
16
42°
28°
17
40°
24°
18
36°
20°
19
35°
18°
20
31°
13°
21
29°
18°
22
30°
21°
23
37°
23°
24
34°
22°
25
35°
13°
26
35°
16°
27
29°
13°
28
32°
12°
29
28°
17°
30
28°
19°
31
30°
11°
1
34°
7°
2
26°
8°
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 26° to 50°, with overnight lows between 7° and 36°. The average high for December is 37° with an average low of 23°. 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.
