Weather forecast for 10 daysVivian, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 72°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 16mphN 11°
- Humidity: 46%
- UV index: 3
- Sunrise: 7:59 am CDT
- Sunset: 6:52 pm CDT
- details ▼
On Sunday, October 18, sunny skies and pleasant visibility are expected.
Temperatures will show considerable variation, extending from a high of an agreeable 71.6°F to a low of a cold 39.2°F.
Today, the expected high will be higher and much closer to September's average high of 76.8°F than October's 58.5°F.
Sunrise was at 7:59 am and sunset will be at 6:52 pm; the daylight will last for 10h and 53min.
Temperatures will show considerable variation, extending from a high of an agreeable 71.6°F to a low of a cold 39.2°F.
Today, the expected high will be higher and much closer to September's average high of 76.8°F than October's 58.5°F.
Sunrise was at 7:59 am and sunset will be at 6:52 pm; the daylight will last for 10h and 53min.
10-day overview
Daily temperatures
Warmest day: Friday 79°C.
Coldest day: Saturday 59°C.
Coldest day: Saturday 59°C.
Chance of precipitation
Highest chance: Friday 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 72°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 16mphN 11°
- Humidity: 46%
- UV index: 3
- Sunrise: 7:59 am CDT
- Sunset: 6:52 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphE 81°
- Humidity: 53%
- UV index: 3
- Sunrise: 8:01 am CDT
- Sunset: 6:51 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 46°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 15mphSSE 161°
- Humidity: 62%
- UV index: 3
- Sunrise: 8:02 am CDT
- Sunset: 6:49 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 45°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphNNW 343°
- Humidity: 67%
- UV index: 3
- Sunrise: 8:03 am CDT
- Sunset: 6:47 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 59°F
AM Fog / PM Sun
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 16mphSE 142°
- Humidity: 67%
- UV index: 3
- Sunrise: 8:04 am CDT
- Sunset: 6:46 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 79°F
- 50°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 19mphSSE 167°
- Humidity: 58%
- UV index: 3
- Sunrise: 8:06 am CDT
- Sunset: 6:44 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 59°F
- 39°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 17mphNW 314°
- Humidity: 61%
- UV index: 3
- Sunrise: 8:07 am CDT
- Sunset: 6:43 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 43°F
Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 12mphSE 136°
- Humidity: 61%
- UV index: 3
- Sunrise: 8:08 am CDT
- Sunset: 6:41 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 64°F
- 46°F
Mostly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 13mphSE 142°
- Humidity: 68%
- UV index: 2
- Sunrise: 8:10 am CDT
- Sunset: 6:40 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 61°F
- 45°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 14mphSSE 147°
- Humidity: 69%
- UV index: 3
- Sunrise: 8:11 am CDT
- Sunset: 6:38 pm CDT
- details ▼
Models point to a combination of bright, cloud-filled and fog-covered weather is anticipated.
Rainfall is not forecasted in Vivian in the upcoming days.
Substantial differences in temperature are forecasted across the forecast period. Maximum temperatures are forecasted between 59°F and 78.8°F, while the nightly low temperatures will show also a considerable swing, as the lowest temperatures will be recorded between 39.2°F and 59°F.
Expect the warmest day on Friday, with temperatures peaking at 78.8°F; the coldest day will be Saturday, with a maximum of 59°F.
Rainfall is not forecasted in Vivian in the upcoming days.
Substantial differences in temperature are forecasted across the forecast period. Maximum temperatures are forecasted between 59°F and 78.8°F, while the nightly low temperatures will show also a considerable swing, as the lowest temperatures will be recorded between 39.2°F and 59°F.
Expect the warmest day on Friday, with temperatures peaking at 78.8°F; the coldest day will be Saturday, with a maximum of 59°F.
Updated: Oct 18, 2026 @ 13:42:41 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, sunshine is expected with little to no cloud cover.
Today, the maximum temperature will be 71.6°F, while the minimum temperature will be 39.2°F.
The highest temperature today will be notably higher than the average maximum of 58.5°F in October. Today, the lowest temperature will be in line with the average low temperature.
The highest temperature today will be notably higher than the average maximum of 58.5°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Vivian, sunrise was at 7:59 am and sunset will be at 6:52 pm (CDT).
In Vivian, South Dakota, today, there will be 10h and 53min of daylight.
