S
M
T
W
T
F
S
29
58°
38°
30
62°
33°
1
58°
38°
2
60°
41°
3
61°
33°
4
58°
34°
5
61°
38°
6
62°
43°
7
60°
35°
8
61°
39°
9
59°
36°
10
60°
27°
11
47°
24°
12
45°
29°
13
55°
22°
14
46°
21°
15
42°
27°
16
45°
29°
17
42°
26°
18
50°
25°
19
46°
31°
20
50°
39°
21
56°
37°
22
57°
35°
23
53°
29°
24
52°
28°
25
44°
26°
26
56°
37°
27
40°
20°
28
50°
34°
29
53°
28°
30
Hist. Avg.
50°
27°
31
Hist. Avg.
50°
27°
1
Hist. Avg.
50°
27°
2
Hist. Avg.
50°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Hartford
Hartford's December 2026 forecast shows daily high temperatures ranging from 40° to 62°, with overnight lows between 20° and 43°. The average high for December is 53° with an average low of 32°. 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 Hartford. See also: January | February | March.
