S
M
T
W
T
F
S
29
63°
41°
30
64°
33°
1
49°
29°
2
48°
28°
3
54°
39°
4
58°
38°
5
52°
36°
6
51°
31°
7
48°
26°
8
45°
25°
9
46°
27°
10
48°
32°
11
52°
31°
12
59°
35°
13
52°
34°
14
50°
28°
15
49°
29°
16
48°
30°
17
47°
24°
18
44°
21°
19
43°
18°
20
41°
23°
21
46°
29°
22
52°
27°
23
44°
23°
24
44°
22°
25
43°
26°
26
47°
31°
27
47°
27°
28
46°
24°
29
45°
25°
30
44°
24°
31
46°
20°
1
42°
22°
2
43°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Marlow
Marlow's December 2026 forecast shows daily high temperatures ranging from 41° to 64°, with overnight lows between 18° and 41°. The average high for December is 49° with an average low of 28°. 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 Marlow. See also: January | February | March.