S
M
T
W
T
F
S
29
52°
27°
30
49°
26°
1
38°
24°
2
38°
27°
3
43°
28°
4
46°
34°
5
48°
35°
6
47°
37°
7
52°
33°
8
51°
29°
9
47°
31°
10
43°
28°
11
42°
23°
12
39°
23°
13
36°
22°
14
35°
21°
15
34°
22°
16
33°
19°
17
33°
17°
18
31°
21°
19
31°
22°
20
34°
27°
21
38°
30°
22
43°
29°
23
44°
25°
24
40°
19°
25
35°
18°
26
30°
18°
27
29°
25°
28
40°
20°
29
38°
17°
30
30°
16°
31
29°
22°
1
32°
24°
2
40°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Oak Harbor
Oak Harbor's December 2026 forecast shows daily high temperatures ranging from 29° to 52°, with overnight lows between 16° and 37°. The average high for December is 39° 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 Oak Harbor. See also: January | February | March.
