S
M
T
W
T
F
S
26
54°
46°
27
55°
48°
28
55°
43°
29
55°
41°
30
64°
41°
1
63°
41°
2
50°
46°
3
52°
43°
4
55°
39°
5
46°
34°
6
50°
30°
7
50°
45°
8
52°
37°
9
50°
32°
10
50°
36°
11
48°
39°
12
54°
43°
13
52°
41°
14
50°
41°
15
50°
34°
16
48°
32°
17
50°
37°
18
55°
36°
19
57°
48°
20
57°
50°
21
59°
48°
22
57°
52°
23
57°
52°
24
55°
52°
25
59°
52°
26
59°
49°
27
64°
53°
28
70°
54°
29
57°
53°
30
59°
53°
31
59°
52°
1
58°
52°
2
56°
50°
3
55°
51°
4
56°
50°
5
55°
50°
6
57°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Blackhill
Blackhill's May 2026 forecast shows daily high temperatures ranging from 55° to 70°, with overnight lows between 49° and 54°. The average high for May is 59° with an average low of 51°. 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 Blackhill. See also: June | July | August.
