S
M
T
W
T
F
S
29
47°
29°
30
45°
27°
1
44°
26°
2
45°
28°
3
45°
32°
4
46°
27°
5
44°
29°
6
45°
28°
7
44°
32°
8
48°
35°
9
48°
36°
10
49°
34°
11
49°
36°
12
50°
35°
13
49°
36°
14
48°
36°
15
49°
35°
16
50°
35°
17
50°
34°
18
46°
31°
19
46°
30°
20
48°
32°
21
48°
31°
22
47°
34°
23
47°
34°
24
46°
33°
25
49°
34°
26
47°
33°
27
46°
33°
28
47°
29°
29
43°
28°
30
49°
35°
31
50°
35°
1
Hist. Avg.
45°
33°
2
Hist. Avg.
46°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Alsea
Alsea's December 2026 forecast shows daily high temperatures ranging from 43° to 50°, with overnight lows between 26° and 36°. The average high for December is 47° with an average low of 32°. 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 Alsea. See also: January | February | March.
