S
M
T
W
T
F
S
29
64°
46°
30
64°
43°
1
63°
47°
2
63°
49°
3
62°
48°
4
59°
49°
5
58°
46°
6
58°
44°
7
58°
47°
8
59°
46°
9
60°
47°
10
59°
44°
11
57°
46°
12
58°
46°
13
60°
48°
14
60°
43°
15
59°
42°
16
58°
44°
17
59°
42°
18
54°
41°
19
54°
39°
20
53°
38°
21
54°
38°
22
54°
41°
23
55°
38°
24
54°
37°
25
53°
38°
26
52°
37°
27
53°
36°
28
54°
39°
29
55°
41°
30
56°
40°
31
60°
41°
1
57°
37°
2
54°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Fremont
Fremont's December 2026 forecast shows daily high temperatures ranging from 52° to 64°, with overnight lows between 36° and 49°. The average high for December is 57° with an average low of 42°. 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 Fremont. See also: January | February | March.