S
M
T
W
T
F
S
29
42°
35°
30
45°
27°
1
45°
29°
2
37°
25°
3
45°
20°
4
32°
21°
5
31°
19°
6
30°
20°
7
31°
22°
8
35°
25°
9
35°
25°
10
33°
24°
11
31°
21°
12
30°
20°
13
29°
20°
14
30°
15°
15
28°
11°
16
27°
11°
17
23°
22°
18
31°
24°
19
34°
26°
20
39°
23°
21
38°
26°
22
36°
28°
23
39°
26°
24
39°
23°
25
38°
21°
26
32°
23°
27
34°
24°
28
36°
26°
29
38°
27°
30
39°
24°
31
39°
22°
1
38°
21°
2
35°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Grand Bend
Grand Bend's December 2026 forecast shows daily high temperatures ranging from 23° to 45°, with overnight lows between 11° 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 Grand Bend. See also: January | February | March.
