S
M
T
W
T
F
S
27
42°
29°
28
43°
32°
29
45°
31°
30
44°
37°
31
49°
35°
1
52°
29°
2
50°
29°
3
42°
30°
4
42°
28°
5
43°
27°
6
42°
26°
7
43°
27°
8
44°
28°
9
44°
27°
10
45°
29°
11
46°
30°
12
49°
29°
13
49°
29°
14
50°
33°
15
46°
34°
16
51°
35°
17
54°
36°
18
54°
33°
19
50°
32°
20
47°
32°
21
45°
36°
22
47°
34°
23
48°
35°
24
47°
31°
25
50°
35°
26
52°
37°
27
48°
37°
28
49°
36°
29
50°
35°
30
46°
29°
31
54°
33°
1
52°
29°
2
Hist. Avg.
54°
44°
3
Hist. Avg.
55°
44°
4
Hist. Avg.
55°
44°
5
Hist. Avg.
55°
44°
6
Hist. Avg.
55°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in O'Brien
O'Brien's January 2027 forecast shows daily high temperatures ranging from 42° to 54°, with overnight lows between 26° and 37°. The average high for January is 47° 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 January weather will actually feel in O'Brien. See also: February | March | April.
