S
M
T
W
T
F
S
29
13°
5°
30
16°
5°
1
17°
-5°
2
18°
-11°
3
15°
-13°
4
-1°
-13°
5
-4°
-12°
6
-3°
-4°
7
1°
0°
8
6°
3°
9
14°
-1°
10
15°
-6°
11
13°
-8°
12
1°
-5°
13
0°
0°
14
10°
0°
15
12°
-1°
16
11°
-1°
17
11°
-2°
18
8°
-1°
19
6°
-2°
20
7°
0°
21
13°
0°
22
15°
-1°
23
14°
-2°
24
10°
-3°
25
11°
-7°
26
4°
-14°
27
2°
-16°
28
-5°
-17°
29
-5°
-11°
30
3°
-5°
31
10°
-3°
1
12°
-5°
2
Hist. Avg.
0°
-17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Westgate
Westgate's December 2026 forecast shows daily high temperatures ranging from -5° to 18°, with overnight lows between -17° and 5°. The average high for December is 8° with an average low of -5°. 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 Westgate. See also: January | February | March.