S
M
T
W
T
F
S
26
62°
41°
27
72°
37°
28
71°
40°
29
68°
45°
30
58°
48°
1
64°
41°
2
56°
47°
3
56°
40°
4
71°
40°
5
78°
52°
6
71°
46°
7
63°
41°
8
60°
41°
9
55°
45°
10
70°
52°
11
60°
43°
12
60°
40°
13
61°
47°
14
68°
50°
15
68°
51°
16
67°
47°
17
66°
49°
18
64°
48°
19
69°
48°
20
65°
44°
21
64°
45°
22
66°
45°
23
66°
46°
24
67°
48°
25
70°
52°
26
74°
53°
27
69°
51°
28
70°
47°
29
68°
47°
30
70°
51°
31
76°
55°
1
75°
55°
2
73°
52°
3
73°
53°
4
77°
56°
5
78°
57°
6
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Avon
West Avon's May 2026 forecast shows daily high temperatures ranging from 55° to 78°, with overnight lows between 40° and 57°. The average high for May is 68° with an average low of 49°. 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 Avon. See also: June | July | August.