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August 15th, 2026 :: 9:39 am EDT   

Local Weather Report for
Casco
Maine, United States

 Casco Weather Forecast Summary  
 
Today
Aug 15th
Sunday
Aug 16th
Monday
Aug 17th
Tuesday
Aug 18th
Wednesday
Aug 19th
Mostly Sunny Mix of Cloud and Sun Mostly Cloudy with Showers Mix of Cloud and Sun Mostly Sunny
78°F
79°F
54°F
66°F
63°F
78°F
63°F
85°F
59°F
 
 Casco Detailed Weather Forecast  
 
Saturday, August 15th, 2026
Morning Temperature: 67°F
Mostly sunny.
Afternoon Temperature: 78°F
Mostly sunny.
Evening Temperature: 60°F
Clear.
Sunday, August 16th, 2026
Overnight Temperature: 54°F
Mostly clear.
Morning Temperature: 68°F
Sunny with cloudy periods.
Afternoon Temperature: 78°F
A mix of cloud and sun.
Evening Temperature: 65°F
Mostly cloudy.
Monday, August 17th, 2026
Overnight Temperature: 64°F
Cloudy with showers likely.
Morning Temperature: 65°F
Mostly cloudy with showers likely. Windy at times.
Afternoon Temperature: 65°F
A mix of cloud and sun with a slight chance of showers.
Evening Temperature: 65°F
A mix of cloudy and clear skies.
Tuesday, August 18th, 2026
Overnight Temperature: 64°F
Mostly cloudy.
Morning Temperature: 70°F
Sunny with cloudy periods.
Afternoon Temperature: 76°F
A mix of cloud and sun.
Evening Temperature: 65°F
A mix of clear and cloudy skies.
Wednesday, August 19th, 2026
Overnight Temperature: 59°F
Mostly clear.
Morning Temperature: 71°F
Mostly sunny.
Afternoon Temperature: 84°F
Mostly sunny. Windy at times.
Evening Temperature: 68°F
Cloudy.
Thursday, August 20th, 2026
Overnight Temperature: 64°F
Mostly cloudy with a slight chance of showers.
Morning Temperature: 71°F
Sunny with cloudy periods.
Afternoon Temperature: 75°F
A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm.
Evening Temperature: 65°F
A mix of clear and cloudy skies with a slight chance of showers.
Friday, August 21st, 2026
Overnight Temperature: 54°F
Clear.
Morning Temperature: 67°F
Sunny.
Afternoon Temperature: 77°F
A mix of sun and cloud.
Evening Temperature: 60°F
Mostly clear.
Saturday, August 22nd, 2026
Overnight Temperature: 55°F
Clear with cloudy periods.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 80°F
Sunny.
Evening Temperature: 60°F
Clear.
Sunday, August 23rd, 2026
Overnight Temperature: 56°F
Mostly clear.
Morning Temperature: 71°F
Mostly sunny.
Afternoon Temperature: 83°F
Sunny.
Evening Temperature: 63°F
Mostly clear.





 

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This WeatherCity Weather Forecast for Casco, Maine, United States 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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