S
M
T
W
T
F
S
29
78°
53°
30
78°
53°
1
77°
51°
2
76°
52°
3
73°
53°
4
77°
48°
5
77°
52°
6
73°
53°
7
75°
53°
8
77°
51°
9
77°
53°
10
76°
43°
11
77°
42°
12
70°
43°
13
66°
43°
14
68°
41°
15
67°
42°
16
66°
46°
17
68°
51°
18
72°
51°
19
72°
50°
20
73°
52°
21
75°
50°
22
74°
51°
23
75°
49°
24
76°
45°
25
76°
49°
26
74°
49°
27
69°
49°
28
Hist. Avg.
71°
50°
29
Hist. Avg.
70°
50°
30
Hist. Avg.
70°
50°
31
Hist. Avg.
70°
50°
1
Hist. Avg.
70°
49°
2
Hist. Avg.
70°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Webster
Webster's December 2026 forecast shows daily high temperatures ranging from 66° to 78°, with overnight lows between 41° and 53°. The average high for December is 74° with an average low of 49°. 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 Webster. See also: January | February | March.