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