S
M
T
W
T
F
S
29
45°
33°
30
44°
31°
1
42°
30°
2
43°
31°
3
43°
34°
4
44°
30°
5
42°
32°
6
43°
31°
7
41°
33°
8
44°
39°
9
45°
39°
10
48°
38°
11
48°
39°
12
47°
38°
13
48°
39°
14
46°
40°
15
48°
39°
16
49°
39°
17
49°
37°
18
45°
33°
19
43°
32°
20
45°
34°
21
45°
31°
22
44°
36°
23
45°
38°
24
43°
36°
25
47°
37°
26
45°
38°
27
43°
35°
28
44°
34°
29
41°
32°
30
40°
31°
31
Hist. Avg.
45°
35°
1
Hist. Avg.
45°
35°
2
Hist. Avg.
45°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Newberg
Newberg's December 2026 forecast shows daily high temperatures ranging from 40° to 49°, with overnight lows between 30° and 40°. The average high for December is 45° 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 Newberg. See also: January | February | March.
