S
M
T
W
T
F
S
29
64°
52°
30
66°
55°
1
68°
55°
2
65°
54°
3
66°
55°
4
64°
52°
5
65°
52°
6
64°
51°
7
67°
53°
8
66°
53°
9
67°
52°
10
68°
53°
11
69°
53°
12
68°
52°
13
67°
52°
14
63°
53°
15
67°
52°
16
Hist. Avg.
66°
50°
17
Hist. Avg.
66°
49°
18
Hist. Avg.
66°
49°
19
Hist. Avg.
66°
49°
20
Hist. Avg.
66°
49°
21
Hist. Avg.
66°
49°
22
Hist. Avg.
66°
49°
23
Hist. Avg.
66°
49°
24
Hist. Avg.
66°
49°
25
Hist. Avg.
66°
49°
26
Hist. Avg.
66°
49°
27
Hist. Avg.
66°
49°
28
Hist. Avg.
66°
49°
29
Hist. Avg.
66°
49°
30
Hist. Avg.
66°
50°
31
Hist. Avg.
66°
50°
1
Hist. Avg.
66°
50°
2
Hist. Avg.
66°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Harborview
Harborview's December 2026 forecast shows daily high temperatures ranging from 63° to 69°, with overnight lows between 51° and 55°. The average high for December is 66° with an average low of 53°. 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 Harborview. See also: January | February | March.
