S
M
T
W
T
F
S
26
74°
56°
27
81°
53°
28
78°
61°
29
68°
53°
30
63°
43°
1
63°
41°
2
58°
37°
3
66°
34°
4
80°
51°
5
70°
59°
6
63°
47°
7
64°
43°
8
73°
41°
9
78°
56°
10
77°
57°
11
74°
49°
12
78°
43°
13
76°
56°
14
68°
45°
15
75°
42°
16
87°
64°
17
89°
64°
18
89°
66°
19
91°
67°
20
75°
58°
21
69°
61°
22
73°
65°
23
76°
65°
24
75°
65°
25
72°
61°
26
74°
62°
27
77°
60°
28
75°
59°
29
76°
60°
30
80°
61°
31
78°
61°
1
80°
60°
2
79°
56°
3
78°
60°
4
76°
61°
5
77°
61°
6
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Clarkson
Clarkson's May 2026 forecast shows daily high temperatures ranging from 69° to 80°, with overnight lows between 56° and 65°. The average high for May is 76° with an average low of 61°. 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.
