S
M
T
W
T
F
S
29
70°
48°
30
66°
44°
1
67°
37°
2
54°
34°
3
55°
36°
4
60°
46°
5
61°
40°
6
54°
36°
7
55°
35°
8
53°
32°
9
52°
32°
10
52°
33°
11
56°
34°
12
58°
38°
13
61°
39°
14
56°
36°
15
55°
37°
16
52°
39°
17
55°
35°
18
53°
31°
19
52°
30°
20
52°
31°
21
53°
33°
22
58°
32°
23
51°
31°
24
49°
31°
25
49°
29°
26
50°
32°
27
51°
31°
28
51°
33°
29
52°
32°
30
51°
34°
31
52°
30°
1
51°
30°
2
50°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Longview
Longview's December 2026 forecast shows daily high temperatures ranging from 49° to 70°, with overnight lows between 29° and 48°. The average high for December is 55° with an average low of 35°. 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 Longview. See also: January | February | March.
