S
M
T
W
T
F
S
29
39°
30°
30
39°
29°
1
40°
28°
2
38°
29°
3
41°
30°
4
41°
29°
5
40°
33°
6
38°
32°
7
41°
37°
8
42°
37°
9
41°
30°
10
40°
29°
11
38°
28°
12
41°
29°
13
36°
28°
14
35°
27°
15
34°
27°
16
34°
28°
17
35°
27°
18
35°
27°
19
36°
30°
20
35°
32°
21
43°
35°
22
44°
36°
23
45°
34°
24
43°
31°
25
35°
31°
26
35°
33°
27
39°
36°
28
40°
36°
29
43°
35°
30
43°
35°
31
41°
36°
1
41°
35°
2
42°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Forbach
Forbach's December 2026 forecast shows daily high temperatures ranging from 34° to 45°, with overnight lows between 27° and 37°. The average high for December is 39° with an average low of 32°. 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 Forbach. See also: January | February | March.
