Weather forecast for 10 daysMarion, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 70°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphS 182°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:47 am CDT
- Sunset: 6:41 pm CDT
- details ▼
Today, in Marion, uninterrupted sunshine is anticipated.
Substantial temperature fluctuations from a high of a delightful 69.8°F to a low of a wintry 39.2°F are forecasted.
Today, it will be warmer, and the temperature will align more with September's typical maximum of 74.7°F.
Sunrise will be at 7:47 am and sunset at 6:41 pm; the daylight will last for 10h and 54min.
Substantial temperature fluctuations from a high of a delightful 69.8°F to a low of a wintry 39.2°F are forecasted.
Today, it will be warmer, and the temperature will align more with September's typical maximum of 74.7°F.
Sunrise will be at 7:47 am and sunset at 6:41 pm; the daylight will last for 10h and 54min.
10-day overview
Daily temperatures
Warmest period: Thursday - Friday 77°C.
Coldest day: Sunday 25.10. 61°C.
Coldest day: Sunday 25.10. 61°C.
Chance of precipitation
Highest chance: Saturday 47%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 70°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphS 182°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:47 am CDT
- Sunset: 6:41 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 43°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 11mphESE 118°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:48 am CDT
- Sunset: 6:39 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 46°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 16mphSSE 156°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:49 am CDT
- Sunset: 6:38 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 46°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphSSE 160°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:50 am CDT
- Sunset: 6:36 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 57°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 12mphSE 141°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:52 am CDT
- Sunset: 6:34 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 59°F
Mostly Cloudy / Wind
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 22mphSSE 155°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:53 am CDT
- Sunset: 6:33 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 46°F
AM Showers
- Precip. probability: 47%
- Precipitation: 0.08"
- Wind: 16mphSW 219°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:54 am CDT
- Sunset: 6:31 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 46°F
Mostly Sunny
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 9mphNE 54°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:55 am CDT
- Sunset: 6:30 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 64°F
- 50°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 13mphSE 136°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:57 am CDT
- Sunset: 6:28 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 64°F
- 48°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 16mphSSE 152°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:58 am CDT
- Sunset: 6:27 pm CDT
- details ▼
For the next ten days, a combination of cloudy, sunny and rain-filled weather is predicted.
With a probability of 47%, rainfall is anticipated only on Saturday. The precipitation will be minimal at 0.08".
Temperature differences will be noticeable across the forecast period. Highs will range from 60.8°F to 77°F, while the nightly low temperatures will show also a considerable swing, as the minimum temperature is expected to range between 39.2°F and 59°F.
The warmest days will be Thursday and Friday, with a maximum of 77°F; the coldest day will be next Sunday, with a maximum of 60.8°F.
With a probability of 47%, rainfall is anticipated only on Saturday. The precipitation will be minimal at 0.08".
Temperature differences will be noticeable across the forecast period. Highs will range from 60.8°F to 77°F, while the nightly low temperatures will show also a considerable swing, as the minimum temperature is expected to range between 39.2°F and 59°F.
The warmest days will be Thursday and Friday, with a maximum of 77°F; the coldest day will be next Sunday, with a maximum of 60.8°F.
Updated: Oct 18, 2026 @ 10:00:05 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
On Sunday, sunny conditions are expected to continue.
Today, the highest temperature will be 69.8°F, while the lowest temperature will be 39.2°F.
Today, the highest temperature will be noticeably higher than the average maximum of 58.1°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 58.1°F in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Marion, sunrise will be at 7:47 am and sunset at 6:41 pm (CDT).
In Marion, today, there will be 10h and 54min of daylight.
