S
M
T
W
T
F
S
26
37°
25°
27
46°
28°
28
53°
27°
29
55°
31°
30
58°
28°
1
67°
26°
2
71°
31°
3
73°
35°
4
57°
36°
5
50°
26°
6
67°
20°
7
68°
41°
8
69°
34°
9
65°
35°
10
78°
33°
11
78°
50°
12
80°
37°
13
92°
42°
14
69°
40°
15
67°
41°
16
55°
32°
17
48°
30°
18
50°
32°
19
60°
26°
20
64°
32°
21
55°
39°
22
64°
30°
23
72°
36°
24
80°
43°
25
85°
49°
26
75°
46°
27
74°
48°
28
81°
47°
29
79°
47°
30
70°
44°
31
74°
44°
1
73°
45°
2
82°
50°
3
77°
49°
4
78°
48°
5
75°
51°
6
70°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Clarkston
Clarkston's May 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 42° and 51°. The average high for May is 77° with an average low of 47°. 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 Clarkston. See also: June | July | August.
