S
M
T
W
T
F
S
26
69°
52°
27
72°
51°
28
79°
56°
29
77°
58°
30
76°
57°
1
78°
58°
2
81°
60°
3
74°
59°
4
72°
58°
5
76°
58°
6
78°
59°
7
78°
58°
8
81°
59°
9
80°
57°
10
82°
59°
11
81°
59°
12
82°
60°
13
83°
61°
14
83°
61°
15
84°
60°
16
83°
61°
17
81°
59°
18
79°
56°
19
77°
56°
20
77°
57°
21
79°
57°
22
80°
58°
23
83°
61°
24
84°
62°
25
84°
63°
26
85°
62°
27
85°
63°
28
84°
64°
29
85°
63°
30
84°
63°
31
81°
61°
1
81°
59°
2
82°
59°
3
81°
57°
4
78°
56°
5
78°
57°
6
79°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Covina
West Covina's May 2026 forecast shows daily high temperatures ranging from 69° to 85°, with overnight lows between 51° and 64°. The average high for May is 80° with an average low of 59°. 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 West Covina. See also: June | July | August.
