Weather forecast for 10 daysCastle Grove, IA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 15mphSSW 195°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:18 pm CDT
- details ▼
Today, on Sunday, October 18, sunny skies and pleasant visibility are expected.
Considerable temperature fluctuations from a high of an enjoyable 66.2°F to a low of a wintry 39.2°F are anticipated.
This October day will feature warmer weather, consistent with September's average of 73°F.
Sunrise will be at 7:21 am and sunset at 6:18 pm; the daylight will last for 10h and 57min.
Considerable temperature fluctuations from a high of an enjoyable 66.2°F to a low of a wintry 39.2°F are anticipated.
This October day will feature warmer weather, consistent with September's average of 73°F.
Sunrise will be at 7:21 am and sunset at 6:18 pm; the daylight will last for 10h and 57min.
10-day overview
Daily temperatures
Warmest period: Thursday - Sunday 75°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 15mphSSW 195°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:18 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 39°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphS 175°
- Humidity: 59%
- UV index: 4
- Sunrise: 7:23 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphSE 138°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:24 am CDT
- Sunset: 6:15 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 46°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphS 179°
- Humidity: 62%
- UV index: 4
- Sunrise: 7:25 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 48°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphSE 145°
- Humidity: 62%
- UV index: 4
- Sunrise: 7:26 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 75°F
- 52°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 11mphSSE 147°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:27 am CDT
- Sunset: 6:11 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 54°F
Mostly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphSSE 162°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:28 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 75°F
- 50°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSW 214°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:30 am CDT
- Sunset: 6:08 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 70°F
- 48°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphESE 111°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:31 am CDT
- Sunset: 6:07 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 68°F
- 50°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 8mphSE 129°
- Humidity: 70%
- UV index: 2
- Sunrise: 7:32 am CDT
- Sunset: 6:05 pm CDT
- details ▼
Weather patterns suggest that a combination of overcast and sunny weather is anticipated.
Rain is not forecasted in Castle Grove in the upcoming days.
In the upcoming days, the maximum temperature will range between 66.2°F and 75.2°F, while the variation in nighttime lows will be notably wide, as nighttime lows are forecast to fall between 39.2°F and 53.6°F.
With a maximum temperature of 75.2°F, Thursday through next Sunday will be the warmest days; today is the coldest day, with a maximum temperature of 66.2°F.
Rain is not forecasted in Castle Grove in the upcoming days.
In the upcoming days, the maximum temperature will range between 66.2°F and 75.2°F, while the variation in nighttime lows will be notably wide, as nighttime lows are forecast to fall between 39.2°F and 53.6°F.
With a maximum temperature of 75.2°F, Thursday through next Sunday will be the warmest days; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 09:01:00 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 conditions are expected to continue.
Today, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be moderately higher than the average highest temperature of 58.6°F in October. The lowest temperature today will be also moderately lower than the average low temperature.
The maximum temperature will be moderately higher than the average highest temperature of 58.6°F in October. The lowest temperature today will be also moderately lower than the average low temperature.
On Sunday, in Castle Grove, sunrise will be at 7:21 am and sunset at 6:18 pm (CDT).
In Castle Grove, today, there will be 10h and 57min of daylight.





