S
M
T
W
T
F
S
29
39°
33°
30
39°
31°
1
38°
27°
2
36°
26°
3
37°
29°
4
43°
33°
5
45°
34°
6
44°
35°
7
36°
21°
8
34°
21°
9
35°
24°
10
34°
29°
11
45°
24°
12
44°
23°
13
33°
24°
14
35°
19°
15
33°
16°
16
31°
16°
17
29°
17°
18
30°
16°
19
29°
16°
20
29°
18°
21
30°
21°
22
30°
25°
23
34°
27°
24
38°
30°
25
43°
22°
26
45°
18°
27
42°
17°
28
29°
21°
29
32°
14°
30
31°
11°
31
26°
12°
1
25°
19°
2
29°
17°
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 25° to 45°, with overnight lows between 11° and 35°. The average high for December is 35° 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.
