S
M
T
W
T
F
S
29
47°
35°
30
50°
34°
1
45°
32°
2
44°
35°
3
45°
34°
4
45°
30°
5
41°
27°
6
41°
33°
7
39°
33°
8
38°
32°
9
39°
32°
10
46°
33°
11
42°
32°
12
38°
28°
13
37°
27°
14
31°
24°
15
32°
30°
16
35°
30°
17
42°
32°
18
44°
31°
19
41°
30°
20
37°
25°
21
31°
22°
22
34°
29°
23
39°
29°
24
38°
28°
25
29°
16°
26
29°
19°
27
34°
23°
28
32°
18°
29
30°
20°
30
31°
16°
31
31°
12°
1
28°
11°
2
25°
12°
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 25° to 50°, with overnight lows between 11° and 35°. The average high for December is 37° with an average low of 27°. 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.
