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May 21st, 2026 :: 1:57 am MDT   

Local Weather Report for
Castor
Alberta, Canada

 Castor Weather Forecast Summary  
 
Today
May 21st
Friday
May 22nd
Saturday
May 23rd
Sunday
May 24th
Monday
May 25th
Mostly Sunny Mostly Cloudy Mostly Sunny Mostly Sunny Mostly Sunny
16°C
19°C
10°C
22°C
10°C
21°C
11°C
24°C
11°C
 
 Castor Detailed Weather Forecast  
 
Thursday, May 21st, 2026
Overnight Temperature: 7°C
A mix of clear and cloudy skies with a slight chance of showers. Windy at times.
Morning Temperature: 7°C
Sunny. Windy at times.
Afternoon Temperature: 15°C
A mix of sun and cloud.
Evening Temperature: 14°C
Mostly clear.
Friday, May 22nd, 2026
Overnight Temperature: 10°C
Cloudy.
Morning Temperature: 12°C
Cloudy.
Afternoon Temperature: 18°C
Mostly cloudy.
Evening Temperature: 17°C
Clear with cloudy periods.
Saturday, May 23rd, 2026
Overnight Temperature: 11°C
Mostly clear.
Morning Temperature: 13°C
Mostly sunny.
Afternoon Temperature: 21°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: 20°C
Mostly clear. Slight chance of a thunderstorm.
Sunday, May 24th, 2026
Overnight Temperature: 14°C
Clear.
Morning Temperature: 12°C
A mix of sun and cloud. Windy.
Afternoon Temperature: 19°C
Mostly sunny. Windy at times.
Evening Temperature: 19°C
A mix of clear and cloudy skies. Windy at times.
Monday, May 25th, 2026
Overnight Temperature: 14°C
Mostly clear. Windy at times.
Morning Temperature: 13°C
Mostly sunny.
Afternoon Temperature: 21°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: 21°C
A mix of clear and cloudy skies. Windy.
Tuesday, May 26th, 2026
Overnight Temperature: 15°C
Mostly clear.
Morning Temperature: 10°C
Mostly cloudy with a chance of showers. Windy.
Afternoon Temperature: 14°C
Mostly cloudy with a chance of showers. Windy.
Evening Temperature: 13°C
Mostly cloudy. Windy at times.
Wednesday, May 27th, 2026
Overnight Temperature: 9°C
Mostly cloudy. Windy at times.
Morning Temperature: 8°C
Cloudy with a few showers. Windy.
Afternoon Temperature: 9°C
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 9°C
Cloudy. Windy at times.
Thursday, May 28th, 2026
Overnight Temperature: 8°C
Mostly cloudy with a few showers. Windy at times.
Morning Temperature: 8°C
Mostly cloudy with showers likely. Windy at times.
Afternoon Temperature: 10°C
Mostly cloudy with a chance of showers. Windy at times.
Evening Temperature: 11°C
A mix of cloudy and clear skies with a slight chance of showers.
Friday, May 29th, 2026
Overnight Temperature: 8°C
Cloudy with clear periods with a chance of showers.
Morning Temperature: 7°C
Mostly cloudy with showers likely. Windy at times.
Afternoon Temperature: 10°C
A mix of cloud and sun with a chance of showers. Windy.
Evening Temperature: 11°C
Clear with cloudy periods with a slight chance of showers. Windy.





 

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This WeatherCity Weather Forecast for Castor, Alberta, Canada is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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