S
M
T
W
T
F
S
26
72°
50°
27
68°
45°
28
55°
39°
29
57°
41°
30
54°
39°
1
54°
34°
2
64°
28°
3
73°
48°
4
75°
45°
5
57°
36°
6
55°
32°
7
66°
39°
8
77°
37°
9
68°
41°
10
72°
34°
11
75°
32°
12
81°
54°
13
75°
46°
14
81°
52°
15
91°
57°
16
81°
52°
17
81°
61°
18
70°
61°
19
57°
43°
20
57°
37°
21
57°
50°
22
66°
50°
23
72°
54°
24
84°
52°
25
88°
61°
26
90°
64°
27
90°
66°
28
88°
64°
29
86°
64°
30
81°
68°
31
77°
57°
1
88°
61°
2
N/A
3
83°
63°
4
77°
63°
5
82°
62°
6
86°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Clarion
Clarion's May 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 62° and 64°. The average high for May is 82° with an average low of 63°. 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 Clarion. See also: June | July | August.
