S
M
T
W
T
F
S
29
44°
34°
30
47°
36°
1
48°
35°
2
47°
36°
3
48°
34°
4
46°
33°
5
46°
32°
6
43°
33°
7
47°
32°
8
40°
30°
9
37°
29°
10
37°
27°
11
36°
31°
12
37°
28°
13
38°
26°
14
37°
20°
15
33°
21°
16
32°
24°
17
33°
22°
18
32°
29°
19
40°
28°
20
42°
23°
21
35°
21°
22
32°
21°
23
31°
19°
24
33°
24°
25
34°
19°
26
40°
14°
27
31°
15°
28
26°
15°
29
30°
14°
30
29°
19°
31
30°
25°
1
42°
19°
2
40°
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 26° to 48°, with overnight lows between 14° and 36°. The average high for December is 38° with an average low of 25°. 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.
