S
M
T
W
T
F
S
26
59°
47°
27
73°
57°
28
65°
47°
29
61°
46°
30
59°
46°
1
57°
45°
2
59°
44°
3
60°
48°
4
62°
47°
5
63°
50°
6
62°
47°
7
65°
47°
8
66°
52°
9
67°
55°
10
72°
55°
11
69°
54°
12
70°
56°
13
73°
54°
14
66°
49°
15
64°
49°
16
66°
55°
17
74°
58°
18
75°
57°
19
74°
48°
20
64°
47°
21
65°
49°
22
65°
51°
23
66°
53°
24
74°
58°
25
78°
60°
26
77°
59°
27
70°
59°
28
69°
58°
29
70°
59°
30
72°
61°
31
75°
59°
1
73°
58°
2
72°
56°
3
73°
55°
4
72°
53°
5
76°
58°
6
77°
54°
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 57° to 78°, with overnight lows between 44° and 61°. The average high for May is 68° with an average low of 53°. 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.
