S
M
T
W
T
F
S
29
61°
36°
30
59°
29°
1
46°
25°
2
47°
31°
3
59°
35°
4
53°
34°
5
47°
31°
6
47°
27°
7
44°
23°
8
43°
26°
9
50°
32°
10
52°
33°
11
53°
33°
12
57°
32°
13
54°
33°
14
47°
26°
15
48°
26°
16
50°
22°
17
44°
17°
18
42°
17°
19
43°
18°
20
40°
20°
21
43°
26°
22
44°
20°
23
43°
22°
24
48°
20°
25
43°
22°
26
51°
27°
27
54°
27°
28
49°
21°
29
44°
24°
30
43°
18°
31
43°
16°
1
42°
22°
2
44°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Farnsworth
Farnsworth's December 2026 forecast shows daily high temperatures ranging from 40° to 61°, with overnight lows between 16° and 36°. The average high for December is 48° with an average low of 26°. 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 Farnsworth. See also: January | February | March.