S
M
T
W
T
F
S
29
43°
35°
30
46°
32°
1
46°
34°
2
46°
26°
3
48°
20°
4
50°
19°
5
35°
19°
6
34°
20°
7
35°
18°
8
36°
15°
9
35°
14°
10
30°
15°
11
29°
17°
12
31°
17°
13
33°
18°
14
34°
20°
15
38°
22°
16
41°
22°
17
39°
28°
18
41°
28°
19
40°
27°
20
36°
25°
21
36°
26°
22
35°
26°
23
38°
17°
24
37°
16°
25
35°
23°
26
32°
20°
27
33°
14°
28
32°
16°
29
31°
21°
30
35°
13°
31
31°
11°
1
Hist. Avg.
35°
19°
2
Hist. Avg.
35°
19°
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 29° to 50°, with overnight lows between 11° and 35°. The average high for December is 37° with an average low of 21°. 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.
