S
M
T
W
T
F
S
26
48°
32°
27
49°
34°
28
49°
31°
29
50°
30°
30
50°
30°
1
54°
34°
2
51°
33°
3
55°
31°
4
52°
36°
5
54°
35°
6
53°
33°
7
52°
32°
8
53°
31°
9
54°
36°
10
54°
35°
11
58°
38°
12
62°
37°
13
58°
34°
14
55°
32°
15
55°
32°
16
56°
34°
17
56°
34°
18
57°
36°
19
60°
39°
20
62°
38°
21
59°
39°
22
62°
38°
23
63°
41°
24
67°
40°
25
68°
39°
26
64°
41°
27
66°
43°
28
69°
43°
29
71°
38°
30
70°
38°
31
66°
43°
1
68°
44°
2
71°
43°
3
70°
42°
4
72°
43°
5
70°
42°
6
69°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Boisdale
Boisdale's May 2026 forecast shows daily high temperatures ranging from 48° to 72°, with overnight lows between 30° and 44°. The average high for May is 60° with an average low of 37°. 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 Boisdale. See also: June | July | August.