S
M
T
W
T
F
S
29
45°
39°
30
46°
40°
1
47°
34°
2
44°
33°
3
45°
33°
4
49°
37°
5
48°
39°
6
48°
38°
7
49°
38°
8
47°
40°
9
48°
40°
10
49°
39°
11
48°
37°
12
47°
32°
13
46°
36°
14
42°
37°
15
43°
39°
16
49°
39°
17
47°
38°
18
49°
38°
19
48°
33°
20
46°
32°
21
43°
34°
22
44°
36°
23
43°
36°
24
48°
32°
25
43°
32°
26
42°
36°
27
45°
36°
28
45°
34°
29
44°
37°
30
50°
34°
31
45°
31°
1
46°
30°
2
42°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Worcester
Worcester's December 2026 forecast shows daily high temperatures ranging from 42° to 50°, with overnight lows between 30° and 40°. The average high for December is 46° with an average low of 36°. 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 Worcester. See also: January | February | March.
