S
M
T
W
T
F
S
29
42°
34°
30
48°
31°
1
50°
28°
2
43°
24°
3
41°
24°
4
37°
28°
5
40°
32°
6
45°
32°
7
47°
34°
8
48°
30°
9
48°
29°
10
45°
25°
11
40°
27°
12
40°
30°
13
44°
28°
14
44°
28°
15
41°
27°
16
39°
28°
17
45°
28°
18
46°
26°
19
40°
27°
20
38°
17°
21
45°
14°
22
41°
13°
23
27°
17°
24
28°
15°
25
29°
18°
26
29°
22°
27
33°
17°
28
36°
15°
29
30°
23°
30
32°
26°
31
39°
25°
1
38°
25°
2
37°
23°
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 27° to 50°, with overnight lows between 13° and 34°. The average high for December is 40° with an average low of 25°. 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.
