S
M
T
W
T
F
S
29
72°
52°
30
70°
49°
1
72°
40°
2
57°
39°
3
58°
39°
4
60°
50°
5
68°
42°
6
59°
39°
7
58°
39°
8
56°
38°
9
56°
37°
10
57°
37°
11
58°
38°
12
58°
37°
13
63°
45°
14
60°
40°
15
60°
39°
16
59°
41°
17
62°
39°
18
58°
36°
19
57°
35°
20
56°
36°
21
58°
39°
22
62°
36°
23
58°
35°
24
55°
36°
25
57°
36°
26
56°
37°
27
58°
38°
28
60°
37°
29
59°
36°
30
56°
36°
31
57°
34°
1
56°
34°
2
56°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Porter
Porter's December 2026 forecast shows daily high temperatures ranging from 55° to 72°, with overnight lows between 34° and 52°. The average high for December is 59° with an average low of 39°. 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 Porter. See also: January | February | March.
