S
M
T
W
T
F
S
29
50°
35°
30
49°
36°
1
51°
39°
2
51°
43°
3
54°
45°
4
57°
43°
5
56°
40°
6
55°
37°
7
51°
41°
8
51°
38°
9
58°
41°
10
51°
35°
11
52°
36°
12
Hist. Avg.
53°
40°
13
Hist. Avg.
53°
40°
14
Hist. Avg.
53°
40°
15
Hist. Avg.
53°
40°
16
Hist. Avg.
53°
40°
17
Hist. Avg.
53°
40°
18
Hist. Avg.
53°
40°
19
Hist. Avg.
53°
40°
20
Hist. Avg.
53°
40°
21
Hist. Avg.
53°
40°
22
Hist. Avg.
53°
40°
23
Hist. Avg.
53°
40°
24
Hist. Avg.
53°
40°
25
Hist. Avg.
53°
40°
26
Hist. Avg.
53°
40°
27
Hist. Avg.
53°
40°
28
Hist. Avg.
53°
40°
29
Hist. Avg.
53°
40°
30
Hist. Avg.
53°
40°
31
Hist. Avg.
53°
40°
1
Hist. Avg.
53°
40°
2
Hist. Avg.
53°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Winchester Bay
Winchester Bay's December 2026 forecast shows daily high temperatures ranging from 49° to 58°, with overnight lows between 35° and 45°. The average high for December is 53° with an average low of 39°. 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 Winchester Bay. See also: January | February | March.
