S
M
T
W
T
F
S
26
64°
36°
27
72°
37°
28
74°
47°
29
70°
49°
30
56°
43°
1
53°
36°
2
48°
39°
3
51°
37°
4
62°
39°
5
73°
47°
6
47°
42°
7
53°
37°
8
51°
39°
9
63°
40°
10
60°
44°
11
53°
41°
12
54°
38°
13
53°
38°
14
53°
48°
15
67°
50°
16
75°
52°
17
73°
54°
18
76°
51°
19
83°
67°
20
75°
51°
21
58°
40°
22
66°
35°
23
69°
43°
24
58°
51°
25
65°
52°
26
82°
50°
27
70°
59°
28
63°
52°
29
60°
41°
30
62°
45°
31
63°
42°
1
66°
46°
2
69°
42°
3
71°
52°
4
79°
59°
5
74°
57°
6
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Acton Vale
Acton Vale's May 2026 forecast shows daily high temperatures ranging from 60° to 79°, with overnight lows between 41° and 59°. 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 Acton Vale. See also: June | July | August.