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December 13th, 2025 :: 12:28 am MST   

Local Weather Report for
Thornton
Colorado, United States

 Thornton Weather Forecast Summary  
 
Today
Dec 13th
Sunday
Dec 14th
Monday
Dec 15th
Tuesday
Dec 16th
Wednesday
Dec 17th
Mix of Cloud and Sun Cloudy Mix of Cloud and Sun Cloudy Cloudy
54°F
60°F
30°F
61°F
40°F
59°F
39°F
66°F
36°F
 
 Thornton Detailed Weather Forecast  
 
Saturday, December 13th, 2025
Overnight Temperature: 45°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 50°F
Sunny. Windy.
Afternoon Temperature: 33°F
Sunny. Windy at times.
Evening Temperature: 31°F
Clear.
Sunday, December 14th, 2025
Overnight Temperature: 33°F
Cloudy.
Morning Temperature: 56°F
Sunny with cloudy periods.
Afternoon Temperature: 43°F
Sunny.
Evening Temperature: 42°F
Clear.
Monday, December 15th, 2025
Overnight Temperature: 40°F
A mix of cloudy and clear skies.
Morning Temperature: 58°F
Sunny.
Afternoon Temperature: 48°F
Sunny.
Evening Temperature: 42°F
Clear.
Tuesday, December 16th, 2025
Overnight Temperature: 40°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 58°F
Cloudy. Windy at times.
Afternoon Temperature: 50°F
Cloudy. Windy at times.
Evening Temperature: 46°F
Cloudy. Windy at times.
Wednesday, December 17th, 2025
Overnight Temperature: 45°F
Cloudy. Windy at times.
Morning Temperature: 65°F
Sunny. Wind 35 to 45 mph.
Afternoon Temperature: 50°F
Sunny. Wind 25 to 40 mph.
Evening Temperature: 38°F
Clear.
Thursday, December 18th, 2025
Overnight Temperature: 36°F
A mix of cloudy and clear skies.
Morning Temperature: 51°F
Sunny. Windy at times.
Afternoon Temperature: 43°F
A mix of cloud and sun. Windy.
Evening Temperature: 41°F
Cloudy. Windy.
Friday, December 19th, 2025
Overnight Temperature: 43°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 62°F
Cloudy.
Afternoon Temperature: 52°F
Cloudy.
Evening Temperature: 45°F
Cloudy.
Saturday, December 20th, 2025
Overnight Temperature: 38°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 49°F
Sunny. Windy.
Afternoon Temperature: 37°F
Sunny. Windy.
Evening Temperature: 33°F
A mix of cloudy and clear skies. Windy at times.
Sunday, December 21st, 2025
Overnight Temperature: 31°F
Clear.
Morning Temperature: 53°F
Cloudy. Windy at times.
Afternoon Temperature: 49°F
Cloudy. Windy.
Evening Temperature: 49°F
Cloudy. Windy at times.





 

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This WeatherCity Weather Forecast for Thornton, Colorado, 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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