S
M
T
W
T
F
S
29
44°
22°
30
44°
23°
1
40°
22°
2
41°
22°
3
38°
21°
4
42°
21°
5
41°
20°
6
41°
21°
7
39°
20°
8
40°
20°
9
41°
21°
10
39°
20°
11
27°
0°
12
25°
4°
13
26°
13°
14
35°
10°
15
34°
15°
16
33°
8°
17
37°
9°
18
33°
9°
19
34°
10°
20
35°
3°
21
31°
15°
22
37°
6°
23
35°
0°
24
26°
5°
25
25°
10°
26
36°
12°
27
34°
15°
28
36°
10°
29
35°
13°
30
33°
14°
31
29°
2°
1
30°
-1°
2
26°
-2°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Osage
Osage's December 2026 forecast shows daily high temperatures ranging from 25° to 44°, with overnight lows between -2° and 23°. The average high for December is 35° with an average low of 12°. 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 Osage. See also: January | February | March.
