S
M
T
W
T
F
S
27
37°
14°
28
29°
24°
29
34°
17°
30
36°
25°
31
36°
25°
1
40°
24°
2
39°
21°
3
37°
20°
4
34°
14°
5
34°
15°
6
33°
14°
7
32°
13°
8
33°
14°
9
31°
14°
10
34°
15°
11
36°
14°
12
35°
13°
13
33°
13°
14
34°
15°
15
36°
16°
16
39°
18°
17
40°
17°
18
38°
21°
19
39°
24°
20
39°
24°
21
38°
25°
22
38°
24°
23
39°
24°
24
38°
22°
25
40°
25°
26
41°
26°
27
38°
26°
28
41°
25°
29
40°
26°
30
35°
14°
31
33°
16°
1
Hist. Avg.
41°
26°
2
Hist. Avg.
42°
26°
3
Hist. Avg.
42°
26°
4
Hist. Avg.
42°
26°
5
Hist. Avg.
43°
26°
6
Hist. Avg.
43°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Harper
Harper's January 2027 forecast shows daily high temperatures ranging from 29° to 41°, with overnight lows between 13° and 26°. The average high for January is 36° with an average low of 19°. 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 Harper. See also: February | March | April.
