Weather forecast for 10 daysGrimes, IA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 16mphS 191°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:31 am CDT
  • Sunset: 6:29 pm CDT
  • ▼
Tomorrow, expect sunny weather with a crisp, clear sky.
The temperature will fluctuate from a high of a comfortable 66.2°F to a low of an icy 41°F.
The forecasted peak temperature today will be moderately higher than the average October maximum of 60.4°F.
Sunrise will be at 7:31 am and sunset at 6:29 pm; tomorrow's daylight will last for 10h and 58min.

10-day overview

Daily temperatures

Warmest period: Friday - Saturday 77°C.
Coldest day: tomorrow 66°C.

Chance of precipitation

Highest chance: Monday 26.10. 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 41°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphS 190°
  • Humidity: 67%
  • UV index: 0
  • Sunrise: 7:29 am CDT
  • Sunset: 6:31 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 16mphS 191°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:31 am CDT
  • Sunset: 6:29 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 9mphS 171°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:32 am CDT
  • Sunset: 6:27 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphSSE 151°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:33 am CDT
  • Sunset: 6:26 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 8mphS 182°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:34 am CDT
  • Sunset: 6:24 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 52°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphSSE 154°
  • Humidity: 64%
  • UV index: 4
  • Sunrise: 7:35 am CDT
  • Sunset: 6:23 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 14mphSSE 151°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:36 am CDT
  • Sunset: 6:22 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 77°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 14mphSSE 168°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:38 am CDT
  • Sunset: 6:20 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 72°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 8mphSSW 209°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:39 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 73°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 8mphSE 134°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:40 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
For the coming ten days, a combination of cloudy and mostly clear weather is predicted.
Rainfall is not anticipated in Grimes in the upcoming days.
In the upcoming days, the maximum temperature will range between 66.2°F and 77°F, while the nightly low temperatures will show a considerable swing, as the lowest temperatures will be recorded between 41°F and 55.4°F.
With a maximum temperature of 77°F, Friday and next Saturday will be the warmest days; the coldest day will be Sunday, with a maximum of 66.2°F.
Updated: Oct 17, 2026 @ 23:34:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, sunshine will likely continue with scattered clouds at most.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 41°F.
The maximum temperature tomorrow will be a couple of degrees higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 44.6°F.

On Sunday, in Grimes, sunrise will be at 7:31 am and sunset at 6:29 pm (CDT).

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