S
M
T
W
T
F
S
26
65°
46°
27
67°
45°
28
60°
46°
29
55°
42°
30
55°
39°
1
48°
34°
2
49°
28°
3
62°
34°
4
75°
46°
5
57°
43°
6
54°
41°
7
56°
38°
8
63°
40°
9
71°
48°
10
61°
39°
11
64°
36°
12
66°
36°
13
58°
43°
14
64°
41°
15
69°
40°
16
82°
52°
17
84°
59°
18
84°
62°
19
83°
62°
20
63°
52°
21
64°
44°
22
68°
47°
23
61°
54°
24
71°
53°
25
79°
49°
26
82°
50°
27
83°
53°
28
76°
46°
29
79°
53°
30
70°
46°
31
74°
49°
1
76°
49°
2
73°
50°
3
77°
56°
4
78°
58°
5
79°
57°
6
75°
57°
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 70° to 79°, with overnight lows between 46° and 58°. The average high for May is 76° with an average low of 52°. 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.
