South Dakota (Rapid City)
October
Weather in South Dakota for October 2026
Your guide to South Dakota weather in October - trends and predictions
Snowfall in South Dakota during October is quite rare, with fewer than 2 snowy days on average.
According to South Dakota snow forecast for October 2026, no snow is expected at the beginning of the month.The forecast for the first days of October 2026 in South Dakota predicts a temperature of 19.1 °F, which is slightly above the historical average.
In general, the average temperature in South Dakota at the beginning of October is 20.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.9 °F by the end of October.
South Dakota experiences moderate rainfall in October, with an average of 6 rainy days and a total precipitation of 41.9 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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24
Dry days
6
Rainy days
1
Snow days
18°/7°
Temperatures
25 km/h
Avg max wind
51 %
Avg humidity
South Dakota Weather October
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What’s the Weather Like in South Dakota This October?
Discover the average temperatures and weather trends across South Dakota’s cities this October.
Temperatures trend during October in South Dakota
See the weather trend as well as the moving average line
October weather in South Dakota day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Oct. 1 |  Sunny | 17° /11° | 0 mm | 0 cm | |
| Oct. 2 | Sunny | 26° /11° | 0 mm | 0 cm | |
| Oct. 3 | Sunny | 20° /10° | 0 mm | 0 cm | |
| Oct. 4 | Sunny | 20° /8° | 0 mm | 0 cm | |
| Oct. 5 |  Overcast | 17° /7° | 0 mm | 0 cm | |
| Oct. 6 | Overcast | 20° /8° | 4.2 mm | 0 cm | |
| Oct. 7 | Sunny | 21° /11° | 0 mm | 0 cm | |
| Oct. 8 | Sunny | 16° /8° | 0 mm | 0 cm | |
| Oct. 9 | Overcast | 21° /7° | 0 mm | 0 cm | |
| Oct. 10 | Overcast | 17° /9° | 0 mm | 0 cm | |
| Oct. 11 | Overcast | 10° /3° | 0 mm | 0 cm | |
| Oct. 12 | Overcast | 14° /2° | 0 mm | 0 cm | |
| Oct. 13 | Sunny | 13° /3° | 0 mm | 0 cm | |
| Oct. 14 | Sunny | 19° /5° | 0 mm | 0 cm | |
| Oct. 15 | Sunny | 13° /4° | 0 mm | 0 cm | |
| Oct. 16 | Sunny | 20° /7° | 6.8 mm | 0 cm | |
| Oct. 17 | Overcast | 19° /7° | 0.5 mm | 0 cm | |
| Oct. 18 | Overcast | 11° /5° | 0.1 mm | 0 cm | |
| Oct. 19 | Sunny | 20° /3° | 0 mm | 0 cm | |
| Oct. 20 |  Cloudy | 18° /7° | 0 mm | 0 cm | |
| Oct. 21 | Overcast | 19° /5° | 0 mm | 0 cm | |
| Oct. 22 | Overcast | 14° /5° | 0 mm | 0 cm | |
| Oct. 23 | Cloudy | 17° /3° | 0 mm | 0 cm | |
| Oct. 24 | Overcast | 17° /6° | 0 mm | 0 cm | |
| Oct. 25 | Overcast | 19° /4° | 0 mm | 0 cm | |
| Oct. 26 |  Partly cloudy | 21° /6° | 2 mm | 0 cm | |
| Oct. 27 | Partly cloudy | 17° /6° | 1.5 mm | 0 cm | |
| Oct. 28 | Overcast | 12° /4° | 0 mm | 0 cm | |
| Oct. 29 |  Moderate or heavy rain shower | 9° /1° | 7.9 mm | 0 cm | |
| Oct. 30 |  Light sleet | 9° /2° | 4.1 mm | 1.4 cm | |
| Oct. 31 | Cloudy | 10° /0° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for South Dakota in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the South Dakota forecast closer to your planned date for the most up-to-date weather information.
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South Dakota in October - FAQ
What are the expected maximum and minimum temperatures in South Dakota during October?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in South Dakota during October?
In October, South Dakota can expect light to moderate rainfall, totaling 41.9 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in South Dakota in October 2026?
South Dakota typically sees 1.4 cm of snowfall during October.
What are the typical wind conditions in South Dakota during October?
The average wind speed in South Dakota during October is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
South Dakota snow forecast October 2026
Track daily snowfall levels and discover South Dakota’s snowy potential this October ❄️
On average, South Dakota sees 1 snowy days during October, with approximately 1.4 cm of total snowfall.
October rainfall patterns in South Dakota
Explore the daily rainfall trends and prepare for South Dakotas October weather 💧
Typically, South Dakota has 6 rainy days in October with a total of 41.9 mm of rainfall.
UV exposure in South Dakota during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Counties in South Dakota
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Top locations in South Dakota
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Where is South Dakota?Get accurate weather forecasts for South Dakota, located at latitude 44.081 and longitude -103.231. Stay updated with localized weather information tailored for South Dakota.
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