S
M
T
W
T
F
S
26
68°
48°
27
63°
45°
28
54°
39°
29
57°
36°
30
55°
36°
1
57°
30°
2
64°
27°
3
72°
43°
4
79°
41°
5
57°
39°
6
57°
32°
7
70°
36°
8
75°
41°
9
72°
39°
10
70°
32°
11
81°
39°
12
79°
55°
13
77°
41°
14
79°
48°
15
88°
52°
16
82°
57°
17
81°
61°
18
70°
54°
19
55°
41°
20
57°
37°
21
57°
48°
22
70°
54°
23
73°
50°
24
79°
57°
25
83°
60°
26
82°
61°
27
77°
60°
28
79°
59°
29
80°
58°
30
73°
55°
31
77°
53°
1
78°
53°
2
82°
55°
3
82°
56°
4
83°
58°
5
82°
57°
6
81°
62°
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 73° to 83°, with overnight lows between 50° and 62°. The average high for May is 79° with an average low of 57°. 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.
