S
M
T
W
T
F
S
29
59°
44°
30
59°
43°
1
58°
44°
2
58°
42°
3
54°
39°
4
53°
37°
5
52°
39°
6
54°
37°
7
52°
36°
8
51°
37°
9
52°
37°
10
51°
36°
11
50°
35°
12
50°
34°
13
51°
35°
14
51°
35°
15
52°
36°
16
52°
37°
17
53°
42°
18
58°
41°
19
59°
38°
20
54°
36°
21
52°
36°
22
53°
37°
23
53°
36°
24
52°
36°
25
53°
35°
26
53°
35°
27
56°
36°
28
57°
37°
29
58°
37°
30
58°
38°
31
59°
43°
1
54°
44°
2
52°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Westhaven-Moonstone
Westhaven-Moonstone's December 2026 forecast shows daily high temperatures ranging from 50° to 59°, with overnight lows between 34° and 44°. The average high for December is 54° with an average low of 38°. 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 Westhaven-Moonstone. See also: January | February | March.
