Weather forecast for 10 daysKeystone, IA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 16mphSSW 193°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:25 am CDT
  • Sunset: 6:22 pm CDT
  • ▼
Tomorrow, expect bright skies and plenty of sunshine.
Temperature changes will be considerable, from a high of a breezy 66.2°F to a low of a cold 39.2°F.
Today’s expected high is set to be relatively higher than October's regular high of 59.9°F.
Sunrise will be at 7:25 am and sunset at 6:22 pm; tomorrow's daylight will last for 10h and 58min.

10-day overview

Daily temperatures

Warmest period: Thursday - Saturday 75°C.
Coldest day: tomorrow 66°C.

Chance of precipitation

Highest chance: Monday 26.10. 11%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 39°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 10mphS 191°
  • Humidity: 74%
  • UV index: 0
  • Sunrise: 7:23 am CDT
  • Sunset: 6:24 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 16mphSSW 193°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:25 am CDT
  • Sunset: 6:22 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphS 173°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:26 am CDT
  • Sunset: 6:21 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 8mphSE 146°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:27 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphS 177°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:28 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphSSE 148°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:29 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 12mphSSE 148°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:30 am CDT
  • Sunset: 6:15 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 54°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphSSE 165°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:32 am CDT
  • Sunset: 6:13 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 70°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphSSW 204°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:33 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 7mphESE 112°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:34 am CDT
  • Sunset: 6:10 pm CDT
  • ▼
Over the next ten days, a combination of cloud-filled and bright weather is anticipated.
Rain is not predicted in Keystone in the upcoming period.
In the upcoming days, the highest temperature will range between 66.2°F and 75.2°F, while there will be a marked difference in overnight low temperatures, as the minimum temperature is expected to range between 39.2°F and 53.6°F.
Thursday through next Saturday, with the highest temperature of 75.2°F, will be the warmest days; the lowest daytime temperature of the period will be reached on Sunday, peaking at 66.2°F.
Updated: Oct 18, 2026 @ 02:14:36 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Keystone, expect bright skies and plenty of sunshine.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be a couple of degrees higher than the average highest temperature of 59.9°F in October. The lowest temperature will be also relatively lower than the average low of 44.1°F.

On Sunday, in Keystone, sunrise will be at 7:25 am and sunset at 6:22 pm (CDT).

In Keystone, tomorrow, there will be 10h and 58min of daylight.