S
M
T
W
T
F
S
26
62°
41°
27
69°
41°
28
65°
40°
29
62°
43°
30
54°
44°
1
63°
43°
2
54°
46°
3
54°
38°
4
70°
40°
5
80°
49°
6
71°
55°
7
63°
47°
8
62°
37°
9
61°
37°
10
72°
51°
11
61°
43°
12
64°
41°
13
67°
46°
14
61°
45°
15
60°
43°
16
77°
43°
17
88°
57°
18
84°
63°
19
97°
69°
20
93°
53°
21
71°
42°
22
67°
47°
23
61°
53°
24
64°
54°
25
71°
54°
26
69°
53°
27
70°
53°
28
75°
55°
29
72°
55°
30
74°
56°
31
74°
52°
1
70°
52°
2
68°
52°
3
68°
53°
4
69°
57°
5
71°
57°
6
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Blackstone
Blackstone's May 2026 forecast shows daily high temperatures ranging from 61° to 97°, with overnight lows between 42° and 69°. The average high for May is 73° with an average low of 54°. 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 Blackstone. See also: June | July | August.
