Weather forecast for tomorrowGrimes, IA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 16mphS 191°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:31 am CDT
- Sunset: 6:29 pm CDT
- details ▼
On Sunday, October 18, a sun-drenched sky is also anticipated.
The highest temperature will be a breezy 66.2°F, while the lowest temperature will be a cold 41°F.
The temperature for tomorrow is expected to be a few degrees higher than the October average 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.
The highest temperature will be a breezy 66.2°F, while the lowest temperature will be a cold 41°F.
The temperature for tomorrow is expected to be a few degrees higher than the October average 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.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest period: 3 am - 6 am 43°C.
Coldest period: 3 am - 6 am 43°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:41°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphS 189°
- Humidity: 70%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:39°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphS 189°
- Humidity: 76%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:37°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 10mphSSW 194°
- Humidity: 80%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 43°F
- Feels like:36°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 10mphS 190°
- Humidity: 84%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:31 am
- 8 am
- 43°F
- Feels like:37°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 10mphS 189°
- Humidity: 82%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:46°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphSSW 193°
- Humidity: 61%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 61°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSSW 194°
- Humidity: 46%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSSW 193°
- Humidity: 40%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSSW 192°
- Humidity: 37%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphS 180°
- Humidity: 41%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:29 pm
- 8 pm
- 55°F
- Feels like:54°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphS 174°
- Humidity: 59%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphS 185°
- Humidity: 70%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, sunshine is expected.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 66.2°F. The warmest part of the day is expected around 3 pm.
Tomorrow, the temperature is expected to be moderately higher than October's normal maximum of 60.4°F. The minimum temperature will be also consistent with October's average low of 44.6°F.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 66.2°F. The warmest part of the day is expected around 3 pm.
Tomorrow, the temperature is expected to be moderately higher than October's normal maximum of 60.4°F. The minimum temperature will be also consistent with October's average low of 44.6°F.
Updated: Oct 17, 2026 @ 20:27:44 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, sunny skies are in store, with excellent visibility.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 41°F.
The highest temperature will be slightly warmer than the average maximum of 60.4°F in October. The lowest temperature will be in line with the average low of 44.6°F.
The highest temperature will be slightly warmer than the average maximum of 60.4°F 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, tomorrow, there will be 10h and 58min of daylight.





