S
M
T
W
T
F
S
29
23°
13°
30
26°
18°
1
30°
19°
2
34°
19°
3
33°
18°
4
33°
19°
5
32°
18°
6
32°
17°
7
31°
17°
8
32°
16°
9
31°
16°
10
30°
15°
11
24°
6°
12
24°
5°
13
23°
6°
14
24°
7°
15
26°
9°
16
25°
8°
17
28°
8°
18
25°
10°
19
26°
9°
20
27°
8°
21
26°
9°
22
26°
6°
23
27°
0°
24
25°
-3°
25
14°
4°
26
19°
2°
27
16°
5°
28
18°
0°
29
24°
-2°
30
20°
-4°
31
18°
5°
1
20°
-6°
2
20°
-5°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Middle River
Middle River's December 2026 forecast shows daily high temperatures ranging from 14° to 34°, with overnight lows between -6° and 19°. The average high for December is 25° with an average low of 8°. 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.
