S
M
T
W
T
F
S
26
65°
45°
27
68°
46°
28
61°
43°
29
54°
43°
30
53°
37°
1
49°
36°
2
48°
30°
3
63°
31°
4
75°
48°
5
57°
47°
6
53°
39°
7
56°
34°
8
65°
35°
9
69°
45°
10
60°
34°
11
59°
36°
12
62°
38°
13
61°
43°
14
66°
42°
15
70°
36°
16
82°
57°
17
86°
59°
18
86°
67°
19
84°
63°
20
65°
50°
21
65°
40°
22
69°
41°
23
58°
52°
24
67°
51°
25
79°
53°
26
80°
50°
27
83°
53°
28
73°
49°
29
81°
43°
30
72°
52°
31
76°
40°
1
79°
46°
2
78°
47°
3
81°
53°
4
83°
64°
5
83°
66°
6
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Clarklake
Clarklake's May 2026 forecast shows daily high temperatures ranging from 78° to 83°, with overnight lows between 46° and 66°. The average high for May is 81° with an average low of 56°. 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 Clarklake. See also: June | July | August.