Weather forecast for tomorrow
Castle Grove, IA

Weather forecast for tomorrow

Friday, Jun 20.

AM Thunderstorms
5:27 am

8:46 pm
CDT
AM Thunderstorms
88°F / 75°F
  • Wind: 19mph SSW
  • Humidity: 72%
  • Precip. probability: 65%
  • Precipitation: 0.35"
  • UV index: 9
Tomorrow, early thunderstorms may bring intense rain and flashes of lightning.
With a high probability, light precipitation is anticipated. The temperature will fluctuate from a high of a humid 87.8°F to a low of a moderately hot 75.2°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is computed to be a fiery hot 100.4°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
It will be hotter, and the temperature will align more closely with July's average high of 80.1°F than June's.
Sunrise will be at 5:27 am and sunset at 8:46 pm; tomorrow's daylight will last for 15h and 20min.

Frequently asked questions

What is the weather forecast for Castle Grove for tomorrow?
On Friday, showers and thunderstorms are likely early in the day.
Will it rain tomorrow in Castle Grove?
Light precipitation of 0.35" is expected. The likelihood of rainfall is 65%.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 87.8°F, while the lowest temperature will be 75.2°F. The maximum heat index, which adjusts the air temperature based on humidity, is appraised at 100.4°F.
The maximum temperature will be noticeably higher than the average highest temperature of 77°F in June. The lowest temperature will be also notably higher than the average low of 60.4°F.
When are sunrise and sunset tomorrow in Castle Grove?
On Friday, in Castle Grove, sunrise will be at 5:27 am and sunset at 8:46 pm (CDT).
How many hours of daylight will Castle Grove have tomorrow?
In Castle Grove, tomorrow, there will be 15h and 20min of daylight.

Hourly weather forecast

12 am
  • 70°F
  • Feels like:
    72°F
Clear
Clear
  • Wind: 7mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 78%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 68°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 83%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 68°F
  • Feels like:
    70°F
Cloudy
Cloudy
  • Wind: 7mph SSW
  • Pressure: 29.85"Hg
  • Humidity: 84%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:27 am
6 am
  • 68°F
  • Feels like:
    68°F
Few Showers
Few Showers
  • Wind: 7mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 88%
  • Precip. probability: 31%
  • Precipitation: 0.04"
  • Visibility: 10mi
8 am
  • 70°F
  • Feels like:
    72°F
Showers
Showers
  • Wind: 8mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 88%
  • Precip. probability: 40%
  • Precipitation: 0.08"
  • Visibility: 7mi
10 am
  • 72°F
  • Feels like:
    73°F
Thunderstorms
Thunderstorms
  • Wind: 13mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 81%
  • Precip. probability: 65%
  • Precipitation: 0.16"
  • Visibility: 6mi
12 pm
  • 77°F
  • Feels like:
    81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 17mph S
  • Pressure: 29.83"Hg
  • Humidity: 72%
  • Precip. probability: 20%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 82°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph S
  • Pressure: 29.77"Hg
  • Humidity: 64%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 86°F
  • Feels like:
    91°F
Partly Cloudy
Partly Cloudy
  • Wind: 19mph SSW
  • Pressure: 29.74"Hg
  • Humidity: 60%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 86°F
  • Feels like:
    95°F
Mostly Sunny
Mostly Sunny
  • Wind: 17mph S
  • Pressure: 29.68"Hg
  • Humidity: 64%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 86°F
  • Feels like:
    93°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph S
  • Pressure: 29.68"Hg
  • Humidity: 68%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:46 pm
10 pm
  • 82°F
  • Feels like:
    90°F
Clear
Clear
  • Wind: 14mph S
  • Pressure: 29.68"Hg
  • Humidity: 76%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, weather will be unstable, and a mix of gloomy, clear, rain-filled and turbulent weather is predicted.
Rainfall is predicted at 5 am, 6 am, and from 8 am to 11 am. With moderate precipitation of 0.16", most rainfall is expected at 10 am.
The temperature will be between the lowest temperature of 68°F and the highest temperature of 86°F. The feels-like temperature will vary between a minimum of 68°F and a maximum of 95°F. The hottest part of the day will be from 4 pm to 8 pm.
The maximum is expected to resemble July's average high of 80.1°F rather than June's. The expected low will be also more close to what’s common in July than the current June average of 60.4°F.
Updated: Jun 19, 2025 @ 20:58:07 UTC
Published by: Weather U.S. | About Us
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