S
M
T
W
T
F
S
29
37°
27°
30
41°
23°
1
37°
18°
2
35°
23°
3
35°
20°
4
36°
19°
5
32°
25°
6
36°
32°
7
40°
35°
8
47°
32°
9
49°
29°
10
44°
28°
11
40°
27°
12
38°
24°
13
38°
26°
14
35°
25°
15
37°
22°
16
37°
23°
17
33°
19°
18
32°
18°
19
30°
16°
20
31°
28°
21
38°
26°
22
41°
18°
23
37°
23°
24
31°
28°
25
42°
24°
26
41°
15°
27
37°
20°
28
31°
12°
29
34°
13°
30
26°
12°
31
41°
11°
1
33°
16°
2
30°
19°
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 26° to 49°, with overnight lows between 11° and 35°. The average high for December is 37° with an average low of 22°. 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.
