S
M
T
W
T
F
S
26
84°
60°
27
76°
58°
28
68°
56°
29
83°
62°
30
74°
59°
1
68°
56°
2
70°
49°
3
70°
43°
4
79°
44°
5
79°
47°
6
81°
63°
7
70°
56°
8
72°
49°
9
71°
56°
10
82°
55°
11
81°
58°
12
72°
55°
13
79°
53°
14
73°
54°
15
78°
45°
16
86°
51°
17
89°
62°
18
88°
63°
19
88°
68°
20
90°
69°
21
89°
67°
22
86°
67°
23
86°
68°
24
84°
68°
25
87°
68°
26
85°
67°
27
84°
66°
28
83°
66°
29
84°
65°
30
82°
64°
31
82°
65°
1
85°
63°
2
86°
67°
3
85°
67°
4
81°
66°
5
82°
63°
6
83°
67°
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 81° to 90°, with overnight lows between 63° and 69°. The average high for May is 85° with an average low of 66°. 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.
