S
M
T
W
T
F
S
29
58°
43°
30
59°
51°
1
59°
44°
2
58°
46°
3
57°
47°
4
61°
48°
5
61°
42°
6
57°
46°
7
56°
42°
8
55°
48°
9
54°
48°
10
57°
46°
11
62°
49°
12
63°
46°
13
58°
44°
14
61°
45°
15
62°
46°
16
62°
47°
17
60°
48°
18
62°
49°
19
63°
50°
20
62°
43°
21
56°
45°
22
57°
44°
23
58°
47°
24
57°
44°
25
57°
44°
26
58°
46°
27
62°
45°
28
62°
43°
29
Hist. Avg.
59°
44°
30
Hist. Avg.
59°
44°
31
Hist. Avg.
59°
44°
1
Hist. Avg.
59°
44°
2
Hist. Avg.
59°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Alameda
Alameda's December 2026 forecast shows daily high temperatures ranging from 54° to 63°, with overnight lows between 42° and 51°. The average high for December is 59° with an average low of 46°. 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 Alameda. See also: January | February | March.
