S
M
T
W
T
F
S
29
44°
30°
30
43°
31°
1
45°
34°
2
45°
38°
3
49°
41°
4
51°
39°
5
52°
35°
6
49°
32°
7
45°
38°
8
45°
34°
9
53°
36°
10
44°
30°
11
47°
30°
12
Hist. Avg.
47°
34°
13
Hist. Avg.
47°
34°
14
Hist. Avg.
46°
34°
15
Hist. Avg.
46°
34°
16
Hist. Avg.
46°
34°
17
Hist. Avg.
46°
34°
18
Hist. Avg.
46°
34°
19
Hist. Avg.
46°
34°
20
Hist. Avg.
46°
34°
21
Hist. Avg.
46°
34°
22
Hist. Avg.
46°
34°
23
Hist. Avg.
46°
34°
24
Hist. Avg.
46°
34°
25
Hist. Avg.
46°
34°
26
Hist. Avg.
46°
34°
27
Hist. Avg.
46°
34°
28
Hist. Avg.
46°
34°
29
Hist. Avg.
46°
34°
30
Hist. Avg.
46°
34°
31
Hist. Avg.
46°
34°
1
Hist. Avg.
47°
34°
2
Hist. Avg.
47°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Eugene
Eugene's December 2026 forecast shows daily high temperatures ranging from 43° to 53°, with overnight lows between 30° and 41°. The average high for December is 47° with an average low of 34°. 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 Eugene. See also: January | February | March.
