S
M
T
W
T
F
S
26
64°
48°
27
70°
44°
28
62°
52°
29
58°
45°
30
57°
42°
1
51°
35°
2
51°
28°
3
61°
46°
4
71°
54°
5
58°
43°
6
58°
38°
7
56°
39°
8
57°
40°
9
60°
39°
10
63°
45°
11
64°
43°
12
62°
43°
13
64°
48°
14
65°
47°
15
68°
48°
16
67°
49°
17
73°
54°
18
70°
53°
19
73°
54°
20
71°
52°
21
70°
47°
22
67°
45°
23
65°
46°
24
67°
46°
25
67°
48°
26
68°
47°
27
67°
48°
28
68°
48°
29
69°
49°
30
70°
55°
31
74°
54°
1
71°
51°
2
73°
53°
3
75°
59°
4
76°
57°
5
78°
60°
6
81°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Harlan
Harlan's May 2026 forecast shows daily high temperatures ranging from 56° to 81°, with overnight lows between 38° and 61°. The average high for May is 68° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Harlan. See also: June | July | August.
