S
M
T
W
T
F
S
26
70°
49°
27
67°
44°
28
56°
39°
29
57°
40°
30
54°
35°
1
54°
34°
2
63°
29°
3
72°
46°
4
72°
36°
5
56°
32°
6
51°
34°
7
62°
39°
8
66°
40°
9
67°
45°
10
63°
38°
11
65°
48°
12
67°
47°
13
71°
46°
14
69°
46°
15
71°
50°
16
72°
50°
17
70°
47°
18
73°
52°
19
74°
50°
20
71°
49°
21
68°
45°
22
64°
44°
23
66°
45°
24
66°
45°
25
67°
46°
26
66°
46°
27
66°
47°
28
68°
47°
29
70°
56°
30
70°
54°
31
69°
51°
1
73°
53°
2
76°
56°
3
77°
58°
4
79°
59°
5
80°
60°
6
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Clear Lake
Clear Lake's May 2026 forecast shows daily high temperatures ranging from 51° to 80°, with overnight lows between 32° and 60°. The average high for May is 69° with an average low of 48°. 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 Clear Lake. See also: June | July | August.
