Weather forecast for 10 daysYankton, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 72°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 16mphS 190°
- Humidity: 44%
- UV index: 4
- Sunrise: 7:46 am CDT
- Sunset: 6:42 pm CDT
- details ▼
On Sunday, October 18, sunny skies are in store, with excellent visibility.
The temperature will peak at a pleasant 71.6°F during the day, dropping to a low of a cold 41°F at night.
Today, the maximum temperature will be higher and more reflective of September's average high of 76.1°F than October's of 59.4°F.
Sunrise was at 7:46 am and sunset will be at 6:42 pm; the daylight will last for 10h and 56min.
The temperature will peak at a pleasant 71.6°F during the day, dropping to a low of a cold 41°F at night.
Today, the maximum temperature will be higher and more reflective of September's average high of 76.1°F than October's of 59.4°F.
Sunrise was at 7:46 am and sunset will be at 6:42 pm; the daylight will last for 10h and 56min.
10-day overview
Daily temperatures
Warmest day: Thursday 79°C.
Coldest day: Sunday 25.10. 61°C.
Coldest day: Sunday 25.10. 61°C.
Chance of precipitation
Highest chance: Saturday 32%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 72°F
- 41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 16mphS 190°
- Humidity: 44%
- UV index: 4
- Sunrise: 7:46 am CDT
- Sunset: 6:42 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 45°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 10mphSE 125°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:48 am CDT
- Sunset: 6:40 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 50°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 14mphSSE 158°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:49 am CDT
- Sunset: 6:39 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 48°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphS 183°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:50 am CDT
- Sunset: 6:37 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 79°F
- 59°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 11mphSE 144°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:51 am CDT
- Sunset: 6:36 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 61°F
Partly Cloudy / Wind
- Precip. probability: 17%
- Precipitation: 0.08"
- Wind: 21mphSSE 158°
- Humidity: 54%
- UV index: 2
- Sunrise: 7:52 am CDT
- Sunset: 6:34 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 72°F
- 46°F
AM Showers
- Precip. probability: 32%
- Precipitation: 0.04"
- Wind: 15mphSW 224°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:54 am CDT
- Sunset: 6:33 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 48°F
Mostly Sunny
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 9mphNE 41°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:55 am CDT
- Sunset: 6:31 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 54°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 13mphSE 138°
- Humidity: 73%
- UV index: 2
- Sunrise: 7:56 am CDT
- Sunset: 6:30 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 64°F
- 50°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 15mphSSE 157°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:57 am CDT
- Sunset: 6:28 pm CDT
- details ▼
During the ten-day period, overcast, clear and showery weather is anticipated.
Rainfall is expected on Friday and Saturday.
Expect a substantial fluctuation in daytime highs over the next several days. The temperature is expected to swing from 60.8°F up to 78.8°F, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 41°F to 60.8°F.
The warmest day will be Thursday, with a maximum of 78.8°F; expect the coldest day on next Sunday with a high of 60.8°F.
Rainfall is expected on Friday and Saturday.
Expect a substantial fluctuation in daytime highs over the next several days. The temperature is expected to swing from 60.8°F up to 78.8°F, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 41°F to 60.8°F.
The warmest day will be Thursday, with a maximum of 78.8°F; expect the coldest day on next Sunday with a high of 60.8°F.
Updated: Oct 18, 2026 @ 13:41:18 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, in Yankton, sun-filled conditions are expected to persist.
Today, the maximum temperature will be 71.6°F, while the minimum temperature will be 41°F.
Today, the highest temperature will be noticeably higher than the average maximum of 59.4°F in October. The lowest temperature today will be in line with the average low temperature.
Today, the highest temperature will be noticeably higher than the average maximum of 59.4°F in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Yankton, sunrise was at 7:46 am and sunset will be at 6:42 pm (CDT).
In Yankton, the length of the day today will be 10h and 56min.
