S
M
T
W
T
F
S
29
49°
36°
30
44°
36°
1
56°
30°
2
48°
35°
3
49°
25°
4
59°
23°
5
51°
24°
6
41°
23°
7
43°
27°
8
44°
23°
9
43°
21°
10
40°
20°
11
37°
21°
12
37°
22°
13
39°
22°
14
39°
23°
15
40°
24°
16
40°
23°
17
41°
23°
18
40°
34°
19
45°
31°
20
44°
29°
21
40°
24°
22
40°
22°
23
39°
25°
24
41°
23°
25
38°
21°
26
37°
25°
27
37°
23°
28
39°
22°
29
38°
19°
30
37°
19°
31
35°
22°
1
35°
19°
2
Hist. Avg.
41°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Poolesville
Poolesville's December 2026 forecast shows daily high temperatures ranging from 35° to 59°, with overnight lows between 19° and 36°. 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 Poolesville. See also: January | February | March.
