Weather forecast for 10 daysCastana, IA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 68°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 19mphS 187°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:39 am CDT
  • Sunset: 6:37 pm CDT
  • ▼
Tomorrow, in Castana, sunshine is also expected with little to no cloud cover.
A remarkable high of a pleasant 68°F during the day and a stark low of an icy 41°F at night are predicted.
Tomorrow's forecasted high will be a few degrees higher than the typical October high of 60.6°F.
Sunrise will be at 7:39 am and sunset at 6:37 pm; tomorrow's daylight will last for 10h and 58min.

10-day overview

Daily temperatures

Warmest day: Friday 79°C.
Coldest period: Sunday - Monday 66°C.

Chance of precipitation

Highest chance: Saturday - Sunday 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 41°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 15mphS 188°
  • Humidity: 66%
  • UV index: 0
  • Sunrise: 7:38 am CDT
  • Sunset: 6:39 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 68°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 19mphS 187°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:39 am CDT
  • Sunset: 6:37 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 10mphSSE 166°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:41 am CDT
  • Sunset: 6:35 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 50°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphSSE 164°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:42 am CDT
  • Sunset: 6:34 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 10mphS 183°
  • Humidity: 64%
  • UV index: 4
  • Sunrise: 7:43 am CDT
  • Sunset: 6:32 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 9mphSSE 149°
  • Humidity: 66%
  • UV index: 4
  • Sunrise: 7:44 am CDT
  • Sunset: 6:31 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 79°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 18mphSSE 159°
  • Humidity: 55%
  • UV index: 3
  • Sunrise: 7:45 am CDT
  • Sunset: 6:29 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • Wind: 17mphS 183°
  • Humidity: 54%
  • UV index: 2
  • Sunrise: 7:47 am CDT
  • Sunset: 6:28 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 66°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphNNW 329°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 7:48 am CDT
  • Sunset: 6:27 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 66°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 11mphSSE 159°
  • Humidity: 65%
  • UV index: 3
  • Sunrise: 7:49 am CDT
  • Sunset: 6:25 pm CDT
  • ▼
Across the following ten days, a combination of cloud-filled and clear weather is predicted.
With a probability of 24%, rainfall is expected only on next Saturday. The precipitation will be minimal at 0.04".
Noticeable swings in temperature are expected in the upcoming days. Forecast highs will fluctuate between 66.2°F and 78.8°F, while the lowest night temperatures will vary also significantly, as the minimum temperature is expected to range between 41°F and 59°F.
Friday is expected to be the warmest, reaching up to 78.8°F; the coldest days will be next Sunday and Monday, with a maximum of 66.2°F.
Updated: Oct 18, 2026 @ 03:01:02 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunshine is forecasted under mostly clear skies.

Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 41°F.
Tomorrow, the maximum temperature will be slightly warmer than the average highest temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.

On Sunday, in Castana, sunrise will be at 7:39 am and sunset at 6:37 pm (CDT).

In Castana, the length of the day tomorrow will be 10h and 58min.