S
M
T
W
T
F
S
29
44°
33°
30
43°
33°
1
45°
31°
2
44°
35°
3
43°
36°
4
46°
34°
5
44°
33°
6
42°
31°
7
42°
30°
8
41°
30°
9
41°
37°
10
44°
38°
11
49°
36°
12
48°
33°
13
47°
30°
14
44°
36°
15
44°
35°
16
48°
36°
17
44°
39°
18
48°
38°
19
49°
36°
20
48°
33°
21
45°
30°
22
40°
34°
23
44°
31°
24
47°
30°
25
41°
31°
26
42°
34°
27
Hist. Avg.
44°
33°
28
Hist. Avg.
44°
33°
29
Hist. Avg.
44°
33°
30
Hist. Avg.
44°
33°
31
Hist. Avg.
44°
33°
1
Hist. Avg.
45°
33°
2
Hist. Avg.
45°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Lacey
Lacey's December 2026 forecast shows daily high temperatures ranging from 40° to 49°, with overnight lows between 30° and 39°. The average high for December is 45° with an average low of 34°. 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 Lacey. See also: January | February | March.
