S
M
T
W
T
F
S
29
56°
26°
30
54°
22°
1
48°
21°
2
37°
23°
3
39°
28°
4
41°
35°
5
46°
34°
6
50°
30°
7
48°
29°
8
43°
33°
9
44°
27°
10
45°
25°
11
39°
22°
12
40°
21°
13
38°
20°
14
35°
18°
15
34°
19°
16
34°
25°
17
Hist. Avg.
42°
26°
18
Hist. Avg.
41°
26°
19
Hist. Avg.
41°
25°
20
Hist. Avg.
41°
25°
21
Hist. Avg.
40°
25°
22
Hist. Avg.
40°
25°
23
Hist. Avg.
40°
24°
24
Hist. Avg.
40°
24°
25
Hist. Avg.
40°
24°
26
Hist. Avg.
39°
24°
27
Hist. Avg.
39°
24°
28
Hist. Avg.
39°
23°
29
Hist. Avg.
39°
23°
30
Hist. Avg.
39°
23°
31
Hist. Avg.
38°
23°
1
Hist. Avg.
38°
22°
2
Hist. Avg.
38°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Baltimore
Baltimore's December 2026 forecast shows daily high temperatures ranging from 34° to 56°, with overnight lows between 18° and 35°. The average high for December is 43° 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 Baltimore. See also: January | February | March.
