S
M
T
W
T
F
S
29
42°
27°
30
46°
24°
1
41°
23°
2
38°
22°
3
37°
25°
4
38°
27°
5
45°
29°
6
45°
30°
7
42°
28°
8
43°
27°
9
42°
29°
10
44°
20°
11
42°
20°
12
Hist. Avg.
39°
26°
13
Hist. Avg.
39°
25°
14
Hist. Avg.
39°
25°
15
Hist. Avg.
38°
25°
16
Hist. Avg.
38°
25°
17
Hist. Avg.
38°
25°
18
Hist. Avg.
38°
25°
19
Hist. Avg.
38°
25°
20
Hist. Avg.
38°
24°
21
Hist. Avg.
38°
24°
22
Hist. Avg.
38°
24°
23
Hist. Avg.
38°
24°
24
Hist. Avg.
37°
24°
25
Hist. Avg.
37°
24°
26
Hist. Avg.
37°
24°
27
Hist. Avg.
37°
24°
28
Hist. Avg.
37°
24°
29
Hist. Avg.
37°
24°
30
Hist. Avg.
37°
24°
31
Hist. Avg.
37°
24°
1
Hist. Avg.
37°
24°
2
Hist. Avg.
37°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Millcreek
Millcreek's December 2026 forecast shows daily high temperatures ranging from 37° to 46°, with overnight lows between 20° and 30°. The average high for December is 42° 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 Millcreek. See also: January | February | March.
