S
M
T
W
T
F
S
27
56°
29°
28
53°
26°
29
43°
27°
30
44°
29°
31
43°
25°
1
44°
23°
2
42°
26°
3
41°
27°
4
39°
23°
5
39°
17°
6
38°
17°
7
36°
23°
8
38°
26°
9
39°
33°
10
49°
33°
11
52°
31°
12
50°
28°
13
44°
24°
14
40°
22°
15
38°
24°
16
44°
26°
17
46°
23°
18
43°
22°
19
42°
30°
20
47°
33°
21
Hist. Avg.
43°
27°
22
Hist. Avg.
43°
27°
23
Hist. Avg.
43°
27°
24
Hist. Avg.
43°
27°
25
Hist. Avg.
43°
27°
26
Hist. Avg.
43°
27°
27
Hist. Avg.
43°
27°
28
Hist. Avg.
43°
27°
29
Hist. Avg.
43°
27°
30
Hist. Avg.
43°
27°
31
Hist. Avg.
43°
27°
1
Hist. Avg.
43°
27°
2
Hist. Avg.
43°
27°
3
Hist. Avg.
44°
28°
4
Hist. Avg.
44°
28°
5
Hist. Avg.
44°
28°
6
Hist. Avg.
44°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Upper Marlboro
Upper Marlboro's January 2027 forecast shows daily high temperatures ranging from 36° to 56°, with overnight lows between 17° and 33°. The average high for January is 44° with an average low of 26°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Upper Marlboro. See also: February | March | April.
