S
M
T
W
T
F
S
29
35°
22°
30
35°
21°
1
34°
21°
2
34°
8°
3
32°
3°
4
24°
3°
5
19°
4°
6
18°
5°
7
19°
0°
8
20°
-1°
9
15°
0°
10
14°
2°
11
17°
3°
12
18°
7°
13
22°
14°
14
25°
18°
15
31°
17°
16
32°
18°
17
31°
17°
18
32°
17°
19
31°
14°
20
30°
13°
21
27°
13°
22
25°
14°
23
26°
10°
24
27°
11°
25
24°
4°
26
21°
5°
27
21°
12°
28
26°
13°
29
29°
11°
30
14°
-9°
31
25°
9°
1
Hist. Avg.
21°
1°
2
Hist. Avg.
21°
1°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in McGrath
McGrath's December 2026 forecast shows daily high temperatures ranging from 14° to 35°, with overnight lows between -9° and 22°. The average high for December is 25° with an average low of 10°. 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 McGrath. See also: January | February | March.
