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