S
M
T
W
T
F
S
29
1°
-29°
30
-10°
-24°
1
-12°
-16°
2
0°
-15°
3
5°
-15°
4
5°
-18°
5
6°
-31°
6
0°
-17°
7
-2°
-20°
8
-7°
-20°
9
-7°
-21°
10
-5°
-27°
11
-7°
-26°
12
-10°
-36°
13
-10°
-36°
14
-13°
-35°
15
-15°
-18°
16
-2°
-17°
17
4°
-17°
18
4°
-18°
19
2°
-18°
20
3°
-30°
21
-1°
-20°
22
-5°
-19°
23
-8°
-19°
24
-4°
-36°
25
-4°
-27°
26
-12°
-24°
27
-11°
-23°
28
-11°
-32°
29
-10°
-39°
30
-11°
-38°
31
-15°
-20°
1
0°
-19°
2
3°
-20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Fort McPherson
Fort McPherson's December 2026 forecast shows daily high temperatures ranging from -15° to 6°, with overnight lows between -39° and -15°. The average high for December is -5° with an average low of -24°. 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 Fort McPherson. See also: January | February | March.
