S
M
T
W
T
F
S
29
68°
45°
30
68°
43°
1
65°
36°
2
60°
31°
3
55°
38°
4
52°
35°
5
55°
36°
6
58°
34°
7
59°
43°
8
60°
34°
9
63°
39°
10
50°
34°
11
60°
29°
12
49°
30°
13
48°
28°
14
52°
26°
15
46°
26°
16
47°
27°
17
48°
29°
18
48°
28°
19
49°
33°
20
47°
39°
21
51°
41°
22
55°
40°
23
62°
41°
24
61°
36°
25
63°
36°
26
59°
32°
27
52°
34°
28
46°
27°
29
Hist. Avg.
53°
33°
30
Hist. Avg.
53°
33°
31
Hist. Avg.
52°
32°
1
Hist. Avg.
52°
32°
2
Hist. Avg.
52°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in South End
South End's December 2026 forecast shows daily high temperatures ranging from 46° to 68°, with overnight lows between 26° and 45°. The average high for December is 55° with an average low of 34°. 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 South End. See also: January | February | March.