S
M
T
W
T
F
S
29
52°
40°
30
54°
36°
1
51°
31°
2
48°
26°
3
38°
32°
4
43°
35°
5
42°
31°
6
42°
32°
7
41°
34°
8
46°
29°
9
46°
29°
10
38°
23°
11
34°
21°
12
33°
26°
13
34°
21°
14
34°
20°
15
32°
21°
16
31°
21°
17
33°
17°
18
36°
16°
19
31°
18°
20
29°
21°
21
34°
28°
22
36°
27°
23
35°
30°
24
36°
29°
25
39°
29°
26
42°
24°
27
30°
22°
28
31°
29°
29
Hist. Avg.
36°
23°
30
Hist. Avg.
36°
23°
31
Hist. Avg.
36°
23°
1
Hist. Avg.
36°
22°
2
Hist. Avg.
35°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Forestville
Forestville's December 2026 forecast shows daily high temperatures ranging from 29° to 54°, with overnight lows between 16° and 40°. The average high for December is 38° with an average low of 27°. 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 Forestville. See also: January | February | March.
