S
M
T
W
T
F
S
27
46°
24°
28
46°
25°
29
47°
29°
30
50°
27°
31
46°
25°
1
45°
21°
2
44°
21°
3
43°
27°
4
46°
32°
5
50°
41°
6
59°
32°
7
60°
23°
8
50°
22°
9
44°
24°
10
45°
22°
11
47°
20°
12
44°
19°
13
42°
20°
14
43°
20°
15
44°
22°
16
44°
28°
17
48°
22°
18
45°
19°
19
42°
18°
20
40°
22°
21
44°
32°
22
47°
39°
23
53°
38°
24
58°
33°
25
56°
28°
26
52°
27°
27
51°
28°
28
49°
24°
29
48°
27°
30
44°
22°
31
45°
18°
1
58°
23°
2
46°
25°
3
Hist. Avg.
53°
31°
4
Hist. Avg.
54°
31°
5
Hist. Avg.
54°
31°
6
Hist. Avg.
54°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Banner
Banner's January 2027 forecast shows daily high temperatures ranging from 40° to 60°, with overnight lows between 18° and 41°. The average high for January is 48° 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 Banner. See also: February | March | April.