S
M
T
W
T
F
S
27
42°
27°
28
43°
24°
29
40°
23°
30
39°
19°
31
40°
16°
1
35°
17°
2
36°
27°
3
42°
29°
4
44°
30°
5
46°
27°
6
45°
19°
7
39°
15°
8
36°
22°
9
39°
19°
10
43°
20°
11
48°
15°
12
37°
14°
13
33°
14°
14
43°
15°
15
37°
19°
16
44°
16°
17
42°
14°
18
34°
14°
19
37°
21°
20
45°
28°
21
47°
28°
22
44°
27°
23
42°
24°
24
40°
21°
25
41°
23°
26
45°
22°
27
46°
22°
28
45°
24°
29
45°
27°
30
40°
22°
31
38°
22°
1
Hist. Avg.
48°
23°
2
Hist. Avg.
48°
23°
3
Hist. Avg.
48°
23°
4
Hist. Avg.
48°
23°
5
Hist. Avg.
48°
24°
6
Hist. Avg.
49°
24°
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 33° to 48°, with overnight lows between 14° and 30°. The average high for January is 41° with an average low of 21°. 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.
