S
M
T
W
T
F
S
29
44°
35°
30
46°
35°
1
47°
34°
2
40°
34°
3
43°
33°
4
42°
31°
5
37°
26°
6
35°
27°
7
36°
32°
8
37°
32°
9
36°
31°
10
41°
32°
11
43°
31°
12
40°
29°
13
36°
26°
14
32°
25°
15
30°
25°
16
33°
29°
17
37°
30°
18
41°
29°
19
41°
29°
20
37°
28°
21
35°
25°
22
30°
25°
23
36°
28°
24
40°
28°
25
32°
15°
26
28°
15°
27
29°
22°
28
30°
25°
29
33°
23°
30
32°
18°
31
30°
19°
1
29°
12°
2
29°
10°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Watford
Watford's December 2026 forecast shows daily high temperatures ranging from 28° to 47°, with overnight lows between 10° and 35°. The average high for December is 36° with an average low of 27°. 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 Watford. See also: January | February | March.
