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