S
M
T
W
T
F
S
29
44°
33°
30
45°
34°
1
46°
31°
2
41°
30°
3
41°
34°
4
47°
35°
5
46°
33°
6
47°
29°
7
38°
30°
8
40°
22°
9
36°
19°
10
32°
20°
11
32°
23°
12
33°
23°
13
34°
24°
14
35°
22°
15
39°
30°
16
43°
32°
17
45°
29°
18
37°
27°
19
35°
28°
20
37°
28°
21
32°
18°
22
29°
24°
23
35°
23°
24
36°
15°
25
30°
10°
26
27°
11°
27
24°
15°
28
27°
12°
29
30°
21°
30
35°
14°
31
42°
12°
1
28°
12°
2
25°
14°
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 24° to 47°, with overnight lows between 10° and 35°. The average high for December is 36° with an average low of 23°. 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.
