S
M
T
W
T
F
S
26
54°
45°
27
68°
36°
28
61°
43°
29
61°
54°
30
70°
41°
1
68°
37°
2
59°
45°
3
63°
37°
4
75°
43°
5
82°
52°
6
72°
59°
7
59°
45°
8
72°
34°
9
77°
48°
10
84°
45°
11
59°
41°
12
73°
36°
13
75°
46°
14
61°
43°
15
73°
37°
16
84°
43°
17
88°
57°
18
95°
59°
19
N/A
20
97°
63°
21
68°
55°
22
62°
50°
23
61°
55°
24
74°
57°
25
76°
60°
26
77°
59°
27
79°
57°
28
80°
59°
29
77°
57°
30
80°
56°
31
83°
60°
1
86°
56°
2
79°
60°
3
75°
59°
4
78°
59°
5
77°
56°
6
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Clarkson
Clarkson's May 2026 forecast shows daily high temperatures ranging from 61° to 97°, with overnight lows between 50° and 63°. The average high for May is 77° with an average low of 58°. 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 Clarkson. See also: June | July | August.
