S
M
T
W
T
F
S
26
85°
69°
27
88°
71°
28
84°
67°
29
67°
59°
30
63°
56°
1
66°
53°
2
76°
47°
3
84°
60°
4
84°
68°
5
87°
61°
6
73°
50°
7
72°
55°
8
80°
63°
9
81°
64°
10
76°
62°
11
74°
61°
12
79°
61°
13
84°
63°
14
85°
65°
15
84°
66°
16
80°
63°
17
75°
65°
18
76°
66°
19
77°
67°
20
80°
67°
21
82°
60°
22
76°
60°
23
76°
61°
24
78°
64°
25
78°
61°
26
76°
61°
27
78°
62°
28
79°
63°
29
78°
67°
30
77°
68°
31
80°
66°
1
80°
65°
2
81°
66°
3
83°
71°
4
82°
71°
5
82°
69°
6
80°
70°
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 72° to 87°, with overnight lows between 50° and 71°. The average high for May is 79° with an average low of 64°. 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.
