Weather forecast for tomorrow
Castalia, IA

Weather forecast for tomorrow

Monday, May 5.

Partly Cloudy
5:52 am

8:14 pm
CDT
Partly Cloudy
66°F / 46°F
  • Wind: 10mph ENE
  • Humidity: 57%
  • Precip. probability: 5%
  • Precipitation: 0"
  • UV index: 7
On Monday, May 5, thin clouds will pass through at times, but overall, it will remain bright.
The highest temperature will be a breezy 66.2°F, while the lowest predicted temperature is a chilly 46.4°F.
The forecasted maximum temperature will closely reflect May's average high of 65.8°F.
Sunrise will be at 5:52 am and sunset at 8:14 pm; tomorrow's daylight will last for 14h and 22min.

Frequently asked questions

What is the weather forecast for Castalia for tomorrow?
On Monday, in Castalia, clouds will come and go, but expect bright periods in between.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 46.4°F.
The highest temperature will be in line with the average maximum of 65.8°F in May. The lowest temperature will be also in line with the average low of 48.9°F.
When is the sunrise / sunset tomorrow?
On Monday, in Castalia, sunrise will be at 5:52 am and sunset at 8:14 pm (CDT).
How long will the day be tomorrow?
In Castalia, tomorrow, there will be 14h and 22min of daylight.

Hourly weather forecast

12 am
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Wind: 6mph ENE
  • Pressure: 30"Hg
  • Humidity: 61%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Wind: 4mph ENE
  • Pressure: 30.03"Hg
  • Humidity: 67%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Wind: 4mph NE
  • Pressure: 30.03"Hg
  • Humidity: 73%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:52 am
6 am
  • 43°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph NNE
  • Pressure: 30.06"Hg
  • Humidity: 78%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 48°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph NE
  • Pressure: 30.06"Hg
  • Humidity: 75%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 55°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph NE
  • Pressure: 30.03"Hg
  • Humidity: 63%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 59°F
  • Feels like:
    59°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph NE
  • Pressure: 30"Hg
  • Humidity: 53%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 63°F
  • Feels like:
    63°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph ENE
  • Pressure: 30"Hg
  • Humidity: 48%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph E
  • Pressure: 29.97"Hg
  • Humidity: 46%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph E
  • Pressure: 29.94"Hg
  • Humidity: 47%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 61°F
  • Feels like:
    61°F
Mostly Sunny
Mostly Sunny
  • Wind: 4mph ESE
  • Pressure: 29.97"Hg
  • Humidity: 56%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:14 pm
10 pm
  • 55°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Wind: 2mph SSE
  • Pressure: 30"Hg
  • Humidity: 70%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, on Monday, a combination of cloudy and sun-filled weather is anticipated.
The temperature will vary between the lowest temperature of 42.8°F and the highest temperature of 64.4°F. The warmest part of the day will be from 3 pm to 6 pm.
The maximum temperature will be comparable to the average high of 65.8°F in May. The lowest temperature is also comparable to May's typical minimum of 48.9°F.
Updated: May 4, 2025 @ 18:04:19 UTC
Published by: Weather U.S. | About Us
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