Weather forecast for 10 daysClear Lake, IA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 19mphSSW 197°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:31 am CDT
  • Sunset: 6:26 pm CDT
  • ▼
Today, in Clear Lake, sunshine and minimal clouds are in the outlook.
Significant temperature fluctuations from a high of a breezy 66.2°F to a low of a cold 39.2°F are forecasted.
Today, it will be warmer, and the temperature will align more with September's typical maximum of 72.3°F.
Sunrise will be at 7:31 am and sunset at 6:26 pm; the daylight will last for 10h and 55min.

10-day overview

Daily temperatures

Maximum temperature: 75°C.
Coldest day: Tuesday 27.10. 63°C.

Chance of precipitation

Highest chance: Tuesday 27.10. 24%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 19mphSSW 197°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:31 am CDT
  • Sunset: 6:26 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 9mphS 175°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:32 am CDT
  • Sunset: 6:24 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 12mphSSE 158°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:33 am CDT
  • Sunset: 6:22 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 9mphS 185°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:34 am CDT
  • Sunset: 6:21 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 9mphSE 141°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:36 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 16mphSSE 154°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:37 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 17mphS 175°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:38 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 10mphWNW 297°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:39 am CDT
  • Sunset: 6:15 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 64°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 10mphSE 137°
  • Humidity: 65%
  • UV index: 3
  • Sunrise: 7:41 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 63°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 12mphSSE 149°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 7:42 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
Over the next ten days, conditions will reflect that a combination of gloomy and sun-filled weather is anticipated.
Rainfall is not expected in Clear Lake in the upcoming period.
Temperature fluctuation will be noticeable in the coming days. The maximum temperature will vary between 62.6°F and 75.2°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 39.2°F to 55.4°F.
Thursday and Saturday, with the highest temperature of 75.2°F, will be the warmest days; with the highest temperature of 62.6°F, next Tuesday will be the coldest day.
Updated: Oct 18, 2026 @ 06:00:07 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, the outlook remains bright and sunny.

Today, the maximum temperature in Clear Lake will be 66.2°F, while the minimum temperature will be 39.2°F.
Today, the maximum temperature will be relatively higher than the average highest temperature in October. The lowest temperature today will be in line with the average low temperature.

On Sunday, in Clear Lake, sunrise will be at 7:31 am and sunset at 6:26 pm (CDT).

In Clear Lake, the length of the day today will be 10h and 55min.