S
M
T
W
T
F
S
26
54°
45°
27
73°
44°
28
72°
53°
29
54°
43°
30
54°
41°
1
45°
39°
2
48°
37°
3
60°
50°
4
71°
58°
5
66°
46°
6
51°
44°
7
50°
40°
8
56°
45°
9
59°
47°
10
60°
48°
11
60°
48°
12
62°
49°
13
64°
52°
14
67°
54°
15
66°
52°
16
72°
57°
17
75°
58°
18
72°
56°
19
68°
57°
20
74°
56°
21
71°
53°
22
66°
48°
23
64°
48°
24
66°
49°
25
66°
52°
26
67°
51°
27
67°
50°
28
68°
51°
29
67°
51°
30
68°
54°
31
74°
59°
1
69°
55°
2
70°
56°
3
73°
61°
4
75°
61°
5
74°
62°
6
80°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Westlake
Westlake's May 2026 forecast shows daily high temperatures ranging from 48° to 80°, with overnight lows between 37° and 63°. The average high for May is 66° 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 Westlake. See also: June | July | August.
