Weather forecast for 10 daysUnion Center, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 37°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNNE 24°
- Humidity: 29%
- UV index: 3
- Sunrise: 7:10 am MDT
- Sunset: 6:01 pm MDT
- details ▼
Today, sunny skies are in store, with excellent visibility.
A wide temperature range is predicted, from a high of an agreeable 68°F to a low of a cold 37.4°F.
Today, the maximum temperature will be higher and more reflective of September's average high of 73.8°F than October's of 56.3°F.
Sunrise was at 7:10 am and sunset will be at 6:01 pm; the daylight will last for 10h and 51min.
A wide temperature range is predicted, from a high of an agreeable 68°F to a low of a cold 37.4°F.
Today, the maximum temperature will be higher and more reflective of September's average high of 73.8°F than October's of 56.3°F.
Sunrise was at 7:10 am and sunset will be at 6:01 pm; the daylight will last for 10h and 51min.
10-day overview
Daily temperatures
Warmest period: Thursday - Friday 77°C.
Coldest day: Saturday 54°C.
Coldest day: Saturday 54°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 68°F
- 37°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphNNE 24°
- Humidity: 29%
- UV index: 3
- Sunrise: 7:10 am MDT
- Sunset: 6:01 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 43°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 16mphSE 125°
- Humidity: 42%
- UV index: 3
- Sunrise: 7:11 am MDT
- Sunset: 5:59 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 13mphSSE 148°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:12 am MDT
- Sunset: 5:58 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 46°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphNNE 25°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:14 am MDT
- Sunset: 5:56 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 57°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 17mphSSE 150°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:15 am MDT
- Sunset: 5:54 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 43°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 15mphSSW 199°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:16 am MDT
- Sunset: 5:53 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 54°F
- 37°F
Mostly Sunny / Wind
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 21mphNW 310°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:17 am MDT
- Sunset: 5:51 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 15mphSE 136°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:19 am MDT
- Sunset: 5:50 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 61°F
- 41°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 14mphSE 125°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:20 am MDT
- Sunset: 5:48 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 55°F
- 39°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 14mphSE 127°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:21 am MDT
- Sunset: 5:47 pm MDT
- details ▼
For the coming ten days, a combination of mostly clear and cloud-filled weather is anticipated.
Rainfall is not forecasted in Union Center in the upcoming days.
Significant changes in temperature are expected over the next several days. Maximum temperatures are forecasted between 53.6°F and 77°F, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 37.4°F to 57.2°F.
The warmest days will be Thursday and Friday, with a maximum of 77°F; the coldest day will be Saturday, with a maximum of 53.6°F.
Rainfall is not forecasted in Union Center in the upcoming days.
Significant changes in temperature are expected over the next several days. Maximum temperatures are forecasted between 53.6°F and 77°F, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 37.4°F to 57.2°F.
The warmest days will be Thursday and Friday, with a maximum of 77°F; the coldest day will be Saturday, with a maximum of 53.6°F.
Updated: Oct 18, 2026 @ 14:56:05 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 Union Center, skies will stay clear and sunny.
Today, the maximum temperature will be 68°F, while the minimum temperature will be 37.4°F.
The highest temperature today will be noticeably higher than the average maximum of 56.3°F in October. The lowest temperature today will be in line with the average low temperature.
The highest temperature today will be noticeably higher than the average maximum of 56.3°F in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Union Center, sunrise was at 7:10 am and sunset will be at 6:01 pm (MDT).
In Union Center, today, there will be 10h and 51min of daylight.
