S
M
T
W
T
F
S
30
69°
17°
1
69°
8°
2
69°
8°
3
69°
8°
4
69°
6°
5
69°
3°
6
69°
3°
7
69°
3°
8
69°
3°
9
69°
3°
10
69°
3°
11
69°
3°
12
69°
3°
13
69°
3°
14
69°
-4°
15
69°
-4°
16
69°
-4°
17
69°
-4°
18
69°
-4°
19
69°
-4°
20
69°
-4°
21
69°
-4°
22
69°
-4°
23
69°
-4°
24
69°
-4°
25
69°
-4°
26
69°
-4°
27
69°
-4°
28
69°
-4°
29
69°
-4°
30
69°
-4°
31
69°
-4°
1
69°
-4°
2
69°
-4°
3
69°
-4°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Elwood
Elwood's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Elwood. See also: January | February | March.