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Weather in Sioux Falls, South Dakota for October 2026

Your guide to Sioux Falls weather in October - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Sioux Falls during October is quite rare, with fewer than 2 snowy days on average.
    According to Sioux Falls snow forecast for October 2026, no snow is expected at the beginning of the month.

    • Temperatures

  • The forecast for the first days of October 2026 in Sioux Falls predicts a temperature of 15.4 °F , which is warmer than usual.

  • In general, the average temperature in Sioux Falls at the beginning of October is 12.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 11 °F by the end of October.

    • Rain 🌧️

  • Sioux Falls experiences moderate rainfall in October, with an average of 10 rainy days and a total precipitation of 63.4 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
20
Dry days
Average rainy days
10
Rainy days
Average snowy days
1
Snow days
Average temperatures
18°/6°
Temperatures
Average wind speed
26 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Sioux Falls Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
19°
2
Sunny
18°
3
Light rain shower
15°
4
Overcast
12°
5
Overcast
10°
6
Sunny
7°
7
Sunny
7°
8
Overcast
13°
9
Overcast
15°
10
Sunny
23°
11
Overcast
20°
12
Light rain shower
19°
13
Overcast
14°
14
Light drizzle
11°
15
Overcast
13°
16
Mist
21°
17
Sunny
22°
18
Overcast
16°
19
Patchy rain possible
19°
20
Sunny
20°
21
Sunny
18°
22
Mist
19°
23
Mist
17°
24
Light rain shower
18°
25
Overcast
14°
26
Fog
15°
27
Light snow
12°
28
Heavy snow
8°
29
Overcast
12°
30
Overcast
10°
31
Partly cloudy
6°

Temperatures trend during October in Sioux Falls

See the weather trend as well as the moving average line

October weather in Sioux Falls day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
Oct. 1 Overcast
Overcast
 19° /15° 0.6 mm 0 cm
Oct. 2 Sunny
Sunny
 18° /11° 0 mm 0 cm
Oct. 3 Light rain shower
Light rain shower
 15° /7° 15.6 mm 0 cm
Oct. 4 Overcast
Overcast
 12° /3° 0 mm 0 cm
Oct. 5 Overcast
Overcast
 10° /4° 0 mm 0 cm
Oct. 6 Sunny
Sunny
 7° /3° 0 mm 0 cm
Oct. 7 Sunny
Sunny
 7° /1° 0 mm 0 cm
Oct. 8 Overcast
Overcast
 13° /3° 0 mm 0 cm
Oct. 9 Overcast
Overcast
 15° /8° 0 mm 0 cm
Oct. 10 Sunny
Sunny
 23° /8° 0 mm 0 cm
Oct. 11 Overcast
Overcast
 20° /6° 0 mm 0 cm
Oct. 12 Light rain shower
Light rain shower
 19° /8° 14.3 mm 0 cm
Oct. 13 Overcast
Overcast
 14° /5° 16 mm 0 cm
Oct. 14 Light drizzle
Light drizzle
 11° /4° 3 mm 0 cm
Oct. 15 Overcast
Overcast
 13° /3° 1.3 mm 0 cm
Oct. 16 Mist
Mist
 21° /3° 0 mm 0 cm
Oct. 17 Sunny
Sunny
 22° /6° 0 mm 0 cm
Oct. 18 Overcast
Overcast
 16° /8° 0.5 mm 0 cm
Oct. 19 Patchy rain possible
Patchy rain possible
 19° /6° 0 mm 0 cm
Oct. 20 Sunny
Sunny
 20° /5° 0 mm 0 cm
Oct. 21 Sunny
Sunny
 18° /8° 0 mm 0 cm
Oct. 22 Mist
Mist
 19° /3° 0 mm 0 cm
Oct. 23 Mist
Mist
 17° /2° 0 mm 0 cm
Oct. 24 Light rain shower
Light rain shower
 18° /5° 0.9 mm 0 cm
Oct. 25 Overcast
Overcast
 14° /5° 1 mm 0 cm
Oct. 26 Fog
Fog
 15° /5° 0.7 mm 0 cm
Oct. 27 Light snow
Light snow
 12° /4° 1.3 mm 0 cm
Oct. 28 Heavy snow
Heavy snow
 8° /4° 2.4 mm 0.9 cm
Oct. 29 Overcast
Overcast
 12° /3° 0 mm 0 cm
Oct. 30 Overcast
Overcast
 10° /0° 0 mm 0 cm
Oct. 31 Partly cloudy
Partly cloudy
 6° /-3° 2.1 mm 0 cm
Next
Important Notice
Our weather forecast for Sioux Falls 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 Sioux Falls forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Sioux Falls in October - FAQ

What are the expected maximum and minimum temperatures in Sioux Falls during October?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Sioux Falls during October?
Moderate rainfall is anticipated in Sioux Falls during October, with a total of 63.4 mm spread over approximately 10 days. Considering plans for rainy days is advisable.

Will it snow in Sioux Falls in October 2026?
Sioux Falls typically sees 0.9 cm of snowfall during October.

What are the typical wind conditions in Sioux Falls during October?
The average wind speed in Sioux Falls during October is 26 km/h, suggesting breezy to windy conditions, depending on your activities.

Sioux Falls snow forecast October 2026

Track daily snowfall levels and discover Sioux Falls’s snowy potential this October ❄️
On average, Sioux Falls sees 1 snowy days during October, with approximately 0.9 cm of total snowfall.

October rainfall patterns in Sioux Falls

Explore the daily rainfall trends and prepare for Sioux Fallss October weather 💧
Typically, Sioux Falls has 10 rainy days in October with a total of 63.4 mm of rainfall.

UV exposure in Sioux Falls during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

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Location coordinates Where is Sioux Falls?

Get accurate weather forecasts for Sioux Falls, located at latitude 43.55 and longitude -96.7. Stay updated with localized weather information tailored for Sioux Falls.

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