Weather forecast for 10 daysOnaka, SD

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 70°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphNNE 14°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:58 am CDT
  • Sunset: 6:47 pm CDT
  • ▼
Today, in Onaka, expect a mix of sun and clouds throughout the day.
Day and night temperatures will contrast sharply, ranging from a peak of a delightful 69.8°F to a low of an icy 35.6°F.
This October day will feature warmer weather, consistent with September's average of 74.5°F.
Sunrise will be at 7:58 am and sunset at 6:47 pm; the daylight will last for 10h and 50min.

10-day overview

Daily temperatures

Warmest day: Friday 75°C.
Minimum temperature: 57°C.

Chance of precipitation

Highest chance: Friday 24%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 70°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphNNE 14°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:58 am CDT
  • Sunset: 6:47 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 12mphE 83°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:59 am CDT
  • Sunset: 6:46 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 14mphSSE 158°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 8:00 am CDT
  • Sunset: 6:44 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 68°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 10mphNE 35°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 8:02 am CDT
  • Sunset: 6:42 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 73°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 15mphSE 136°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 8:03 am CDT
  • Sunset: 6:41 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 52°F
AM Clouds / PM Sun / Wind
AM Clouds / PM Sun / Wind
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • Wind: 21mphSSE 160°
  • Humidity: 62%
  • UV index: 2
  • Sunrise: 8:04 am CDT
  • Sunset: 6:39 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 59°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 16mphWNW 294°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 8:06 am CDT
  • Sunset: 6:37 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 57°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 11mphESE 103°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 8:07 am CDT
  • Sunset: 6:36 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 61°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 14mphESE 122°
  • Humidity: 74%
  • UV index: 3
  • Sunrise: 8:08 am CDT
  • Sunset: 6:34 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 57°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 14mphSE 138°
  • Humidity: 72%
  • UV index: 3
  • Sunrise: 8:10 am CDT
  • Sunset: 6:33 pm CDT
  • ▼
Forecasts for the ten-day outlook show that a combination of cloudy and dry and sunny weather is predicted.
With a 24% probability, rainfall is anticipated only on Friday. The precipitation will be minimal at 0.04".
Expect a substantial fluctuation in daytime highs across the forecast period. Highs will range from 57.2°F to 75.2°F, while the difference in minimum temperatures will be also substantial, as nighttime lows are forecast to fall between 35.6°F and 57.2°F.
With the highest temperature of 75.2°F, Friday will be the warmest day; next Sunday and Tuesday, with the highest temperature of 57.2°F, will be the coldest days in Onaka.
Updated: Oct 18, 2026 @ 11:44:13 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, expect a partly sunny afternoon with variable cloud cover.

Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 35.6°F.
The highest temperature will be uncommonly higher than the average maximum of 55.9°F in October. Today, the lowest temperature will be relatively lower than the average low temperature.

On Sunday, in Onaka, sunrise will be at 7:58 am and sunset at 6:47 pm (CDT).

In Onaka, today, there will be 10h and 50min of daylight.