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Weather in Pennington County, South Dakota for October 2025

Your guide to Pennington County weather in October - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Pennington County during October is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in Pennington County at the beginning of October is 22.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.9 °F by the end of October.

    • Rain 🌧️

  • With an average of 2 rainy days, Pennington County experiences minimal rainfall in October.

    • More

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

Average dry days
28
Dry days
Average rainy days
2
Rainy days
Average snowy days
1
Snow days
Average temperatures
19°/7°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
45 %
Avg humidity

Pennington County Weather October

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

Temperatures trend during October in Pennington County

See the weather trend as well as the moving average line

October weather in Pennington County day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
Oct. 1 Sunny
Sunny
 23° /5° 0 mm 0 cm
Oct. 2 Sunny
Sunny
 25° /15° 0 mm 0 cm
Oct. 3 Overcast
Overcast
 16° /8° 0 mm 0 cm
Oct. 4 Sunny
Sunny
 26° /9° 0 mm 0 cm
Oct. 5 Cloudy
Cloudy
 21° /13° 0 mm 0 cm
Oct. 6 Sunny
Sunny
 21° /8° 0 mm 0 cm
Oct. 7 Sunny
Sunny
 25° /10° 0 mm 0 cm
Oct. 8 Sunny
Sunny
 26° /13° 0 mm 0 cm
Oct. 9 Sunny
Sunny
 28° /15° 0 mm 0 cm
Oct. 10 Partly cloudy
Partly cloudy
 27° /15° 0 mm 0 cm
Oct. 11 Overcast
Overcast
 19° /11° 0 mm 0 cm
Oct. 12 Overcast
Overcast
 23° /10° 0 mm 0 cm
Oct. 13 Sunny
Sunny
 14° /4° 0 mm 0 cm
Oct. 14 Sunny
Sunny
 20° /4° 0 mm 0 cm
Oct. 15 Sunny
Sunny
 17° /1° 0 mm 0 cm
Oct. 16 Sunny
Sunny
 29° /9° 0 mm 0 cm
Oct. 17 Overcast
Overcast
 22° /10° 1 mm 0 cm
Oct. 18 Overcast
Overcast
 9° /4° 0.1 mm 0 cm
Oct. 19 Sunny
Sunny
 19° /3° 0 mm 0 cm
Oct. 20 Cloudy
Cloudy
 22° /8° 0 mm 0 cm
Oct. 21 Overcast
Overcast
 21° /9° 0 mm 0 cm
Oct. 22 Overcast
Overcast
 14° /7° 0 mm 0 cm
Oct. 23 Cloudy
Cloudy
 19° /5° 0 mm 0 cm
Oct. 24 Overcast
Overcast
 14° /6° 0 mm 0 cm
Oct. 25 Overcast
Overcast
 14° /2° 0 mm 0 cm
Oct. 26 Partly cloudy
Partly cloudy
 21° /3° 0 mm 0 cm
Oct. 27 Partly cloudy
Partly cloudy
 23° /8° 0 mm 0 cm
Oct. 28 Overcast
Overcast
 17° /8° 0 mm 0 cm
Oct. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /3° 15.9 mm 0 cm
Oct. 30 Light sleet
Light sleet
 4° /1° 8.2 mm 2.9 cm
Oct. 31 Cloudy
Cloudy
 10° /0° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Pennington County 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 Pennington County forecast closer to your planned date for the most up-to-date weather information.
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Pennington County in October - FAQ

What are the expected maximum and minimum temperatures in Pennington County during October?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Pennington County during October?
In October, Pennington County can expect light to moderate rainfall, totaling 25.2 mm across approximately 2 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Pennington County in October 2025?
Pennington County typically sees 2.9 cm of snowfall during October.
What are the typical wind conditions in Pennington County during October?
The average wind speed in Pennington County during October is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

Pennington County snow forecast October 2025

Track daily snowfall levels and discover Pennington County’s snowy potential this October ❄️

October rainfall patterns in Pennington County

Explore the daily rainfall trends and prepare for Pennington Countys October weather 💧

UV exposure in Pennington County during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Location coordinates Where is Pennington County?

Get accurate weather forecasts for Pennington County, located at latitude 44.081 and longitude -103.231. Stay updated with localized weather information tailored for Pennington County.

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