Weather forecast for 10 daysGrinnell, IA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 16mphSSW 193°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:26 am CDT
- Sunset: 6:25 pm CDT
- details ▼
On Sunday, October 18, the weather remains calm, bright, and sunny.
The temperature will vary between a maximum of a breezy 66.2°F and a minimum of an icy 41°F.
Tomorrow's peak is expected to be a few degrees higher than the regular high for October at 59.9°F.
Sunrise will be at 7:26 am and sunset at 6:25 pm; tomorrow's daylight will last for 10h and 58min.
The temperature will vary between a maximum of a breezy 66.2°F and a minimum of an icy 41°F.
Tomorrow's peak is expected to be a few degrees higher than the regular high for October at 59.9°F.
Sunrise will be at 7:26 am and sunset at 6:25 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.
Coldest day: tomorrow 66°C.
Chance of precipitation
Highest chance: Wednesday 15%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 39°F
Mostly Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 10mphSSW 193°
- Humidity: 72%
- UV index: 0
- Sunrise: 7:25 am CDT
- Sunset: 6:26 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 16mphSSW 193°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:26 am CDT
- Sunset: 6:25 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 43°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphS 173°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:27 am CDT
- Sunset: 6:23 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 46°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphSSE 147°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:29 am CDT
- Sunset: 6:22 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 48°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphS 182°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:30 am CDT
- Sunset: 6:20 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 48°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphSSE 153°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:31 am CDT
- Sunset: 6:19 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 54°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 11mphSSE 149°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:32 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 54°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 13mphSSE 164°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:33 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 72°F
- 48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphSSW 193°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:35 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 73°F
- 50°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphSE 145°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:36 am CDT
- Sunset: 6:13 pm CDT
- details ▼
For the coming ten days, a combination of dull and sun-filled weather is forecasted.
Rainfall is not predicted in Grinnell in the upcoming period.
In the upcoming days, the highest temperature will vary between 66.2°F and 75.2°F, while the lowest nightly temperature differences will be quite pronounced, as the lowest temperatures will be recorded 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 coldest day will be Sunday, with a maximum of 66.2°F.
Rainfall is not predicted in Grinnell in the upcoming period.
In the upcoming days, the highest temperature will vary between 66.2°F and 75.2°F, while the lowest nightly temperature differences will be quite pronounced, as the lowest temperatures will be recorded 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 coldest day will be Sunday, with a maximum of 66.2°F.
Updated: Oct 18, 2026 @ 01:05:20 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, 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 tomorrow will be in line with the average low temperature.
The maximum temperature tomorrow will be a couple of degrees higher than the average highest temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Grinnell, sunrise will be at 7:26 am and sunset at 6:25 pm (CDT).
In Grinnell, tomorrow, there will be 10h and 58min of daylight.
