S
M
T
W
T
F
S
29
49°
18°
30
42°
13°
1
39°
12°
2
42°
20°
3
47°
21°
4
41°
15°
5
40°
13°
6
39°
10°
7
37°
9°
8
39°
13°
9
47°
14°
10
47°
12°
11
46°
17°
12
48°
20°
13
49°
20°
14
42°
18°
15
42°
22°
16
44°
14°
17
41°
11°
18
40°
11°
19
41°
12°
20
41°
12°
21
42°
13°
22
41°
12°
23
42°
14°
24
42°
12°
25
43°
22°
26
43°
21°
27
48°
11°
28
42°
10°
29
40°
13°
30
42°
10°
31
40°
12°
1
41°
18°
2
45°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Firestone
Firestone's December 2026 forecast shows daily high temperatures ranging from 37° to 49°, with overnight lows between 9° and 22°. The average high for December is 43° with an average low of 15°. 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 Firestone. See also: January | February | March.
