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