S
M
T
W
T
F
S
29
60°
40°
30
59°
44°
1
62°
38°
2
63°
28°
3
59°
27°
4
48°
22°
5
44°
23°
6
42°
22°
7
43°
23°
8
43°
26°
9
45°
23°
10
42°
22°
11
42°
30°
12
45°
27°
13
47°
22°
14
48°
20°
15
41°
22°
16
42°
30°
17
45°
35°
18
46°
37°
19
53°
38°
20
54°
36°
21
56°
37°
22
54°
38°
23
55°
34°
24
58°
28°
25
50°
27°
26
47°
34°
27
51°
37°
28
54°
38°
29
54°
34°
30
55°
31°
31
54°
23°
1
51°
24°
2
41°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Old Siloam
Old Siloam's December 2026 forecast shows daily high temperatures ranging from 41° to 63°, with overnight lows between 20° and 44°. The average high for December is 50° with an average low of 30°. 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 Old Siloam. See also: January | February | March.
