S
M
T
W
T
F
S
29
52°
37°
30
55°
39°
1
53°
36°
2
48°
33°
3
51°
39°
4
57°
43°
5
56°
42°
6
57°
38°
7
47°
40°
8
50°
28°
9
44°
27°
10
41°
28°
11
42°
30°
12
41°
29°
13
41°
28°
14
43°
30°
15
49°
39°
16
54°
41°
17
54°
35°
18
45°
33°
19
47°
33°
20
44°
35°
21
45°
28°
22
38°
32°
23
42°
33°
24
44°
25°
25
40°
20°
26
34°
19°
27
33°
27°
28
41°
24°
29
44°
33°
30
51°
20°
31
52°
20°
1
33°
24°
2
34°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Marcus Hook
Marcus Hook's December 2026 forecast shows daily high temperatures ranging from 33° to 57°, with overnight lows between 19° and 43°. The average high for December is 46° with an average low of 31°. 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 Marcus Hook. See also: January | February | March.
