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Blackhawk, SD

69°F
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Blackhawk

South Dakota

69°
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Blackhawk, SD Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Air Quality Health & Activities
2
Fire Weather Watch

May

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
26
Cloudy, a little rain; cold
41°
31°
27
Mostly cloudy
44°
32°
28
An afternoon shower
55°
36°
29
A blend of sun and clouds
56°
37°
30
Mostly sunny
51°
37°
1
Clouds and sun
60°
39°
2
Sunny
60°
39°
3
Sun through high clouds
62°
41°
4
Mostly cloudy
61°
42°
5
Times of clouds and sun
60°
45°
6
Periods of rain
64°
46°
7
Cooler with rain
56°
39°
8
Cloudy with a stray shower
53°
38°
9
Partly sunny
54°
38°
10
Rain becoming steadier
56°
39°
11
Mainly cloudy
56°
38°
12
A thick cloud cover
55°
42°
13
Sun, then clouds
57°
38°
14
A bit of rain in the morning
63°
47°
15
Cloudy
64°
51°
16
A couple of morning showers
67°
50°
17
Cloudy
68°
42°
18
Decreasing clouds
57°
39°
19
Increasing clouds
59°
45°
20
Warmer with clouds and sun
71°
52°
21
Mostly sunny
72°
52°
22
Mainly cloudy
72°
54°
23
Mostly sunny
74°
54°
24
A little morning rain
71°
53°
25
Rather cloudy, afternoon rain
64°
51°
26
Cloudy with rain tapering off
63°
54°
27
Cloudy with rain tapering off
64°
54°
28
Cloudy with a shower in spots
65°
53°
29
A little morning rain; cloudy
64°
54°
30
A couple of afternoon showers
65°
49°
31
Cloudy to partly sunny
64°
50°
1
Mostly cloudy, a little rain
66°
45°
2
A.M. rain; otherwise, cloudy
65°
46°
3
Partly sunny
67°
48°
4
Mostly sunny
74°
51°
5
Partly sunny, showers around
69°
50°
6
Cloudy with a little rain
64°
53°

Temperature Graph

°F
80° 70° 60° 50° 40° May
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

May Weather in Blackhawk

Blackhawk's May 2026 forecast shows daily high temperatures ranging from 41° to 74°, with overnight lows between 31° and 54°. The average high for May is 62° with an average low of 45°. 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 Blackhawk. See also: June | July | August.

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World North America United States South Dakota Blackhawk

Weather Near Blackhawk:

  • Rapid City, SD
  • Sheridan, WY
  • Spearfish, SD
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