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