S
M
T
W
T
F
S
29
50°
41°
30
56°
36°
1
57°
34°
2
48°
30°
3
47°
32°
4
44°
37°
5
48°
40°
6
53°
41°
7
53°
42°
8
55°
38°
9
55°
35°
10
49°
31°
11
45°
34°
12
47°
38°
13
52°
36°
14
51°
36°
15
47°
35°
16
45°
36°
17
52°
31°
18
51°
30°
19
45°
35°
20
44°
22°
21
52°
19°
22
42°
21°
23
32°
23°
24
35°
23°
25
34°
24°
26
35°
26°
27
38°
26°
28
41°
27°
29
39°
32°
30
43°
33°
31
46°
32°
1
43°
32°
2
45°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Harrison
Harrison's December 2026 forecast shows daily high temperatures ranging from 32° to 57°, with overnight lows between 19° and 42°. The average high for December is 46° 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 Harrison. See also: January | February | March.
