S
M
T
W
T
F
S
26
54°
45°
27
55°
46°
28
52°
37°
29
59°
36°
30
57°
39°
1
70°
37°
2
59°
46°
3
48°
39°
4
57°
36°
5
48°
34°
6
50°
28°
7
54°
41°
8
61°
46°
9
52°
37°
10
54°
37°
11
48°
36°
12
55°
43°
13
54°
36°
14
52°
41°
15
52°
41°
16
54°
41°
17
57°
39°
18
57°
36°
19
52°
48°
20
64°
45°
21
70°
43°
22
68°
57°
23
66°
54°
24
70°
54°
25
73°
52°
26
N/A
27
55°
50°
28
58°
54°
29
63°
52°
30
59°
51°
31
60°
51°
1
56°
51°
2
59°
50°
3
56°
51°
4
58°
49°
5
57°
48°
6
57°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Blackhill
Blackhill's May 2026 forecast shows daily high temperatures ranging from 55° to 63°, with overnight lows between 48° and 54°. The average high for May is 58° 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.
