S
M
T
W
T
F
S
29
50°
38°
30
53°
38°
1
51°
37°
2
52°
36°
3
49°
33°
4
45°
30°
5
49°
35°
6
51°
35°
7
41°
30°
8
37°
27°
9
37°
25°
10
38°
26°
11
36°
33°
12
38°
31°
13
38°
30°
14
36°
21°
15
36°
25°
16
37°
29°
17
39°
32°
18
40°
29°
19
45°
26°
20
39°
21°
21
36°
20°
22
34°
23°
23
32°
27°
24
36°
26°
25
36°
26°
26
35°
20°
27
33°
18°
28
32°
12°
29
31°
15°
30
31°
27°
31
39°
24°
1
40°
19°
2
33°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cheswick
Cheswick's December 2026 forecast shows daily high temperatures ranging from 31° to 53°, with overnight lows between 12° and 38°. The average high for December is 40° with an average low of 27°. 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 Cheswick. See also: January | February | March.
