Weather forecast for 10 daysClear Lake, SD

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 68°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNW 324°
  • Humidity: 37%
  • UV index: 3
  • Sunrise: 7:46 am CDT
  • Sunset: 6:37 pm CDT
  • ▼
Today, on Sunday, October 18, uninterrupted sunshine is anticipated.
A remarkable high of an agreeable 68°F during the day and a stark low of a cold 39.2°F at night are predicted.
Today, climate comparisons show a temperature closer to September's 72.5°F than October's 56.3°F.
Sunrise was at 7:46 am and sunset will be at 6:37 pm; the daylight will last for 10h and 51min.

10-day overview

Daily temperatures

Warmest day: Thursday 77°C.
Coldest period: Sunday - Monday 54°C.

Chance of precipitation

Highest chance: Saturday 33%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 68°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNW 324°
  • Humidity: 37%
  • UV index: 3
  • Sunrise: 7:46 am CDT
  • Sunset: 6:37 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 64°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphENE 72°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:47 am CDT
  • Sunset: 6:35 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 68°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 16mphS 180°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:49 am CDT
  • Sunset: 6:33 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphE 95°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:50 am CDT
  • Sunset: 6:32 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 57°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 14mphS 176°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:51 am CDT
  • Sunset: 6:30 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 57°F
Mostly Cloudy / Wind
Mostly Cloudy / Wind
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 23mphS 169°
  • Humidity: 55%
  • UV index: 2
  • Sunrise: 7:52 am CDT
  • Sunset: 6:29 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 64°F
  • 43°F
PM Showers
PM Showers
  • Precip. probability: 33%
  • Precipitation: 0.16"
  • Wind: 17mphWSW 239°
  • Humidity: 57%
  • UV index: 2
  • Sunrise: 7:54 am CDT
  • Sunset: 6:27 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 54°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0.12"
  • Wind: 8mphNNE 12°
  • Humidity: 65%
  • UV index: 3
  • Sunrise: 7:55 am CDT
  • Sunset: 6:25 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 11mphESE 119°
  • Humidity: 75%
  • UV index: 3
  • Sunrise: 7:56 am CDT
  • Sunset: 6:24 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 61°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 12mphSSE 157°
  • Humidity: 72%
  • UV index: 2
  • Sunrise: 7:58 am CDT
  • Sunset: 6:22 pm CDT
  • ▼
Looking ahead, conditions suggest a period of overcast, clear and rain-filled weather is anticipated.
Rainfall is predicted for Saturday and next Sunday.
Temperature fluctuation will be noticeable in the coming days. The temperature is expected to swing from 53.6°F up to 77°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 39.2°F up to 57.2°F.
The warmest day will be Thursday, with a maximum of 77°F; with a maximum temperature of 53.6°F, next Sunday and Monday will be the coldest days.
Updated: Oct 18, 2026 @ 19:47:12 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, skies are expected to be clear and full of sunshine.

Today, the maximum temperature will be 68°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be noticeably higher than the average highest temperature of 56.3°F in October. Today, the lowest temperature will be in line with the average low temperature.

On Sunday, in Clear Lake, sunrise was at 7:46 am and sunset will be at 6:37 pm (CDT).

In Clear Lake, South Dakota, today, there will be 10h and 51min of daylight.