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