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