National Weather Service forecast
Castalia, Iowa Weather
Castalia 7-Day Forecast
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Overnight50°FChance Rain Showers32% chance of precipitation
A chance of rain showers. Mostly cloudy. Low around 50, with temperatures rising to around 54 overnight. South wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
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Wednesday53°FRain Showers Likely69% chance of precipitation
Rain showers likely. Mostly cloudy. High near 53, with temperatures falling to around 51 in the afternoon. Southwest wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
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Wednesday Night44°FRain Showers Likely58% chance of precipitation
Rain showers likely. Cloudy. Low around 44, with temperatures rising to around 48 overnight. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
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Thursday51°FRain Showers Likely59% chance of precipitation
Rain showers likely before 2pm. Cloudy, with a high near 51. Northwest wind around 13 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
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Thursday Night36°FMostly Cloudy5% chance of precipitation
Mostly cloudy, with a low around 36. North wind 7 to 10 mph, with gusts as high as 20 mph.
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Friday46°FMostly Sunny
Mostly sunny, with a high near 46. North wind 2 to 7 mph.
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Friday Night27°FMostly Clear
Mostly clear, with a low around 27. North wind around 1 mph.
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Saturday49°FSunny
Sunny, with a high near 49. West wind 0 to 3 mph.
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Saturday Night34°FMostly Clear1% chance of precipitation
Mostly clear, with a low around 34. West wind around 5 mph.
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Sunday55°FSunny3% chance of precipitation
Sunny, with a high near 55. West wind 3 to 7 mph.
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Sunday Night35°FMostly Clear
Mostly clear, with a low around 35. Southwest wind around 3 mph.
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Monday58°FSunny
Sunny, with a high near 58. Southwest wind 3 to 9 mph.
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Monday Night40°FMostly Clear
Mostly clear, with a low around 40. West wind around 5 mph.
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Tuesday58°FSunny
Sunny, with a high near 58. Northwest wind around 3 mph.
Issued by the National Weather Service (ARX office), updated .
Castalia Hourly Forecast
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Castalia Weather Radar
Open the full radar for CastaliaAbout Castalia
- Population (2020 Census)
- 145
- Coordinates
- 43.113, -91.677
- Elevation
- 1,201 ft
- NWS forecast office
- ARX
- Time zone
- America/Chicago
- Sunrise today
- 6:45 AM CST
- Sunset today
- 4:55 PM CST
- Daylight today
- 10 h 10 min
Castalia Weather Questions
What is the weather forecast for Castalia, Iowa?
Overnight: A chance of rain showers. Mostly cloudy. Low around 50, with temperatures rising to around 54 overnight. South wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. Wednesday: Rain showers likely. Mostly cloudy. High near 53, with temperatures falling to around 51 in the afternoon. Southwest wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Will it rain or snow in Castalia this week?
The best chance of precipitation is Wednesday at 69%. Periods with a 30% chance or more: Overnight (32%), Wednesday (69%), Wednesday Night (58%), Thursday (59%).
How warm and how cold will it get in Castalia this week?
The warmest day is Monday, with a high near 58°F. The coldest night is Friday Night, with a low near 27°F.
What time are sunrise and sunset in Castalia today?
Sunrise is at 6:45 AM CST and sunset is at 4:55 PM CST, for 10 h 10 min of daylight.
Weather near Castalia
- Ossian 5 mi
- Postville 6 mi
- Clermont 8 mi
- Calmar 11 mi
- Elgin 11 mi
- Luana 12 mi
- West Union 13 mi
- Fort Atkinson 13 mi