Weather forecast for todayCastalia, IA

Weather forecast for today

Current condition 2:34 pm CDT

  • 55°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 13mphS 190°
  • Humidity: 40%
  • Dewpoint: 30°F
  • Pressure: 30.4"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
In Castalia, currently, a bright and warm day is unfolding.
The temperature is a refreshing 55.4°F, with the real-feel temperature being computed to be a crisp 51.8°F. The current temperature is the maximum anticipated temperature of the day.

Saturday Oct 17, 2026

  • 55°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphSSW 206°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 7:23 am CDT
  • Sunset: 6:20 pm CDT
  • ▼
Today, in Castalia, the weather remains calm, bright, and sunny.
The temperature is anticipated to vary between a maximum of a moderate 55.4°F and a minimum of a cold 39.2°F.
October's usual high of 57°F is expected to be matched by the day’s maximum temperature.
Sunrise was at 7:23 am and sunset will be at 6:20 pm; the daylight will last for 10h and 58min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 5 pm 55°C.
Coldest period: 9 pm - 12 am 45°C.

Chance of precipitation

Highest chance: 10 pm - 12 am 2%.

Hourly weather forecast

  • 3 pm
  • 55°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 212°
  • Humidity: 41%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 55°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSSW 208°
  • Humidity: 41%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 55°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 204°
  • Humidity: 44%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 52°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphSSW 197°
  • Humidity: 52%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:20 pm
  • 7 pm
  • 48°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSSW 192°
  • Humidity: 58%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 46°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSSW 193°
  • Humidity: 66%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 45°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphSSW 196°
  • Humidity: 68%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphSSW 195°
  • Humidity: 70%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 45°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphSSW 200°
  • Humidity: 71%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 45°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphSSW 202°
  • Humidity: 72%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the remainder of Saturday, mainly sunny weather and a cloudless sky are anticipated.
The temperature will be between a minimum of 44.6°F and a maximum of 55.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature today will be close to October's average high. The lowest temperature is also consistent with October's typical minimum of 41.4°F.
Updated: Oct 17, 2026 @ 19:34:40 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (2:34 pm CDT) is 55.4°F.

On Saturday, sunny and dry conditions are anticipated.

Today, the maximum temperature will be 55.4°F, while the minimum temperature will be 39.2°F.
The highest temperature will be in line with the average maximum of 57°F in October. The lowest temperature today will be also in line with the average low temperature.

On Saturday, in Castalia, sunrise was at 7:23 am and sunset will be at 6:20 pm (CDT).

In Castalia, the length of the day today will be 10h and 58min.