S
M
T
W
T
F
S
29
39°
26°
30
36°
25°
1
36°
25°
2
35°
26°
3
37°
27°
4
39°
28°
5
39°
28°
6
38°
32°
7
35°
32°
8
38°
31°
9
38°
24°
10
34°
25°
11
45°
27°
12
43°
30°
13
36°
28°
14
44°
25°
15
38°
20°
16
34°
19°
17
31°
24°
18
32°
27°
19
37°
25°
20
38°
28°
21
37°
28°
22
41°
27°
23
42°
28°
24
41°
31°
25
44°
21°
26
45°
21°
27
43°
18°
28
30°
20°
29
30°
25°
30
39°
25°
31
39°
27°
1
41°
29°
2
42°
25°
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 30° to 45°, with overnight lows between 18° and 32°. The average high for December is 38° 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 Worcester. See also: January | February | March.
