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