Weather forecast for 10 daysEthan, SD

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 72°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphS 178°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:50 am CDT
  • Sunset: 6:43 pm CDT
  • ▼
Tomorrow, on Sunday, the forecast calls for abundant sunshine.
Day and night temperatures will contrast sharply, ranging from a peak of an agreeable 71.6°F to a low of an icy 39.2°F.
With a forecast of 71.6°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 7:50 am and sunset at 6:43 pm; tomorrow's daylight will last for 10h and 54min.

10-day overview

Daily temperatures

Warmest day: Friday 79°C.
Coldest day: Sunday 25.10. 61°C.

Chance of precipitation

Highest chance: Friday - Saturday 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 16mphS 182°
  • Humidity: 58%
  • UV index: 0
  • Sunrise: 7:48 am CDT
  • Sunset: 6:45 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 72°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphS 178°
  • Humidity: 45%
  • UV index: 4
  • Sunrise: 7:50 am CDT
  • Sunset: 6:43 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 10mphESE 109°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:51 am CDT
  • Sunset: 6:42 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 16mphSSE 159°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:52 am CDT
  • Sunset: 6:40 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphSSE 150°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 7:53 am CDT
  • Sunset: 6:39 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 57°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 11mphSE 142°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 7:55 am CDT
  • Sunset: 6:37 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 79°F
  • 61°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 22mphSSE 156°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:56 am CDT
  • Sunset: 6:36 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 68°F
  • 45°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 15mphSW 223°
  • Humidity: 64%
  • UV index: 2
  • Sunrise: 7:57 am CDT
  • Sunset: 6:34 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 61°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 9mphNNW 343°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 7:58 am CDT
  • Sunset: 6:33 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 63°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 12mphSSE 156°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 8:00 am CDT
  • Sunset: 6:31 pm CDT
  • ▼
Over the next ten days, conditions will reflect that a combination of sun-filled and cloudy weather is anticipated.
Rain is not forecasted in Ethan in the upcoming period.
The temperature will vary considerably in the coming days. Highs will range from 60.8°F to 78.8°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 39.2°F up to 60.8°F.
With the highest temperature of 78.8°F, Friday will be the warmest day; next Sunday will be the coldest day, with the highest temperature of 60.8°F.
Updated: Oct 18, 2026 @ 02:31:36 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, sunny conditions are expected to continue.

Tomorrow, the highest temperature will be 71.6°F, while the lowest temperature will be 39.2°F.
The highest temperature will be notably higher than the average maximum of 58.5°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Ethan, sunrise will be at 7:50 am and sunset at 6:43 pm (CDT).

Tomorrow, the daylight will last for 10h and 54min.