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May 13th, 2026 :: 1:24 pm MDT   

Local Weather Report for
Thornton
Colorado, United States

 Thornton Weather Forecast Summary  
 
Today
May 13th
Thursday
May 14th
Friday
May 15th
Saturday
May 16th
Sunday
May 17th
Mostly Sunny Mostly Sunny Sunny Mostly Cloudy with Showers Mostly Sunny
90°F
86°F
61°F
80°F
50°F
69°F
52°F
78°F
47°F
 
 Thornton Detailed Weather Forecast  
 
Wednesday, May 13th, 2026
Afternoon Temperature: 85°F
Sunny with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 75°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm. Wind 20 to 30 mph.
Thursday, May 14th, 2026
Overnight Temperature: 63°F
A mix of clear and cloudy skies. Windy at times.
Morning Temperature: 66°F
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 83°F
Sunny with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 73°F
Mostly clear. Windy.
Friday, May 15th, 2026
Overnight Temperature: 54°F
Clear.
Morning Temperature: 59°F
Sunny.
Afternoon Temperature: 77°F
Sunny.
Evening Temperature: 72°F
A mix of clear and cloudy skies. Windy.
Saturday, May 16th, 2026
Overnight Temperature: 55°F
A mix of clear and cloudy skies with a chance of showers.
Morning Temperature: 55°F
A mix of cloud and sun with a slight chance of showers.
Afternoon Temperature: 65°F
Mostly sunny with showers likely. Slight chance of a thunderstorm. Wind 25 to 40 mph.
Evening Temperature: 59°F
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm.
Sunday, May 17th, 2026
Overnight Temperature: 51°F
Mostly clear.
Morning Temperature: 55°F
Sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 76°F
A mix of sun and cloud. Slight chance of a thunderstorm. Windy.
Evening Temperature: 56°F
Clear with cloudy periods with a slight chance of showers. Windy at times.
Monday, May 18th, 2026
Overnight Temperature: 50°F
Mostly cloudy with a slight chance of showers or thundershowers. Windy at times.
Morning Temperature: 46°F
Cloudy with sunny periods with a chance of showers. Windy.
Afternoon Temperature: 55°F
Sunny with cloudy periods. Wind 20 to 30 mph.
Evening Temperature: 49°F
Mostly clear. Windy.
Tuesday, May 19th, 2026
Overnight Temperature: 41°F
A mix of cloudy and clear skies.
Morning Temperature: 46°F
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 63°F
Sunny.
Evening Temperature: 60°F
Clear. Windy at times.
Wednesday, May 20th, 2026
Overnight Temperature: 50°F
Clear. Windy at times.
Morning Temperature: 58°F
Mostly sunny. Windy at times.
Afternoon Temperature: 80°F
Mostly sunny. Windy.
Evening Temperature: 66°F
Mostly clear. Windy.
Thursday, May 21st, 2026
Overnight Temperature: 49°F
Mostly clear.
Morning Temperature: 53°F
Sunny. Windy at times.
Afternoon Temperature: 78°F
Sunny with cloudy periods.
Evening Temperature: 71°F
Mostly clear. Slight chance of a thunderstorm. Windy.





 

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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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