S
M
T
W
T
F
S
29
38°
25°
30
38°
32°
1
48°
28°
2
47°
30°
3
40°
32°
4
50°
22°
5
50°
24°
6
36°
23°
7
36°
25°
8
36°
21°
9
36°
18°
10
33°
18°
11
30°
19°
12
31°
18°
13
31°
19°
14
32°
18°
15
31°
19°
16
32°
21°
17
33°
21°
18
33°
27°
19
34°
29°
20
36°
26°
21
37°
21°
22
34°
20°
23
31°
19°
24
32°
22°
25
30°
24°
26
34°
23°
27
32°
22°
28
34°
21°
29
34°
19°
30
33°
18°
31
36°
11°
1
Hist. Avg.
34°
19°
2
Hist. Avg.
33°
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 30° to 50°, with overnight lows between 11° and 32°. The average high for December is 36° 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.
