S
M
T
W
T
F
S
29
49°
31°
30
39°
29°
1
41°
33°
2
42°
32°
3
41°
34°
4
48°
33°
5
41°
32°
6
39°
26°
7
36°
24°
8
34°
27°
9
36°
26°
10
33°
28°
11
39°
32°
12
44°
32°
13
44°
31°
14
43°
30°
15
40°
31°
16
42°
31°
17
44°
30°
18
31°
15°
19
29°
19°
20
31°
22°
21
32°
23°
22
38°
20°
23
34°
26°
24
34°
18°
25
38°
15°
26
29°
25°
27
36°
28°
28
45°
26°
29
41°
17°
30
37°
13°
31
28°
18°
1
28°
12°
2
33°
10°
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 28° to 49°, with overnight lows between 10° and 34°. The average high for December is 38° 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.
