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