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Cactus Flat, SD

85°F
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Cactus Flat, SD Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities
Red Flag Warning

October

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
27
Partly sunny
83°
56°
28
Cloudy
84°
54°
29
Mostly sunny and not as warm
72°
52°
30
Mostly sunny
77°
48°
1
Mostly sunny
76°
52°
2
Mostly cloudy
79°
52°
3
Plenty of sunshine
79°
51°
4
Increasing cloudiness
80°
50°
5
Cloudy and cooler
64°
50°
6
A little afternoon rain
66°
48°
7
Sun, then clouds
64°
42°
8
Clouds and sun
62°
39°
9
Rain at times
61°
40°
10
Considerable cloudiness
60°
37°
11
Plenty of sun
59°
34°
12
Times of clouds and sun
60°
38°
13
Mostly sunny
58°
34°
14
Times of clouds and sun
59°
44°
15
Turning cloudy
69°
44°
16
Cooler with decreasing clouds
59°
35°
17
Abundant sunshine
56°
31°
18
Gleaming sunshine
54°
31°
19
Cloudy
54°
39°
20
Partly sunny
55°
38°
21
Partly sunny
56°
43°
22
A little afternoon rain
68°
43°
23
Periods of rain
56°
39°
24
Sunny to partly cloudy
65°
28°
25
Cooler; rain in the morning
58°
26°
26
Partly sunny
52°
31°
27
Sunshine
54°
28°
28
A shower in the afternoon
57°
34°
29
Rain in the afternoon
54°
28°
30
Mostly cloudy
52°
26°
31
Sun and some clouds
51°
32°

Temperature Graph

°F
80° 68° 56° 44° 32° Oct
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

October Weather in Cactus Flat

Cactus Flat's October 2026 forecast shows daily high temperatures ranging from 51° to 84°, with overnight lows between 26° and 56°. The average high for October is 63° with an average low of 40°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Cactus Flat. See also: November | December | January.

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World North America United States South Dakota Cactus Flat

Weather Near Cactus Flat:

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