S
M
T
W
T
F
S
26
84°
68°
27
92°
74°
28
85°
68°
29
68°
60°
30
63°
57°
1
66°
53°
2
76°
52°
3
81°
54°
4
83°
63°
5
89°
59°
6
68°
52°
7
75°
51°
8
76°
60°
9
88°
67°
10
79°
62°
11
78°
56°
12
83°
58°
13
90°
62°
14
95°
70°
15
91°
71°
16
91°
74°
17
92°
74°
18
89°
72°
19
85°
66°
20
82°
65°
21
81°
64°
22
82°
65°
23
81°
67°
24
85°
68°
25
86°
69°
26
87°
66°
27
89°
67°
28
90°
72°
29
88°
71°
30
84°
71°
31
84°
70°
1
83°
70°
2
85°
71°
3
87°
72°
4
87°
72°
5
85°
73°
6
84°
73°
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 81° to 95°, with overnight lows between 64° and 74°. The average high for May is 86° with an average low of 70°. 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.
