Forecast for Thornton, Colorado

Today's Weather Story   
48 Hour Graphical Forecast   
National Weather Service Forecast for: Thornton, CO
Issued by: National Weather Service Denver/Boulder, CO
Updated: Sat, 08-Nov-2025 2:11pm MST

Thornton
 
This
Afternoon
This Afternoon: Sunny
Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Veterans
Day
Veterans Day: Mostly Sunny
Mostly Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Mostly Sunny
Mostly Sunny
 
Hi 56 °F Hi 50 °F Hi 69 °F Hi 72 °F Hi 67 °F Hi 72 °F Hi 69 °F  
 
Tonight

Tonight: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Mostly Cloudy
Mostly Cloudy
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Partly Cloudy
Partly Cloudy
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Slight Chance Rain Showers then Slight Chance Rain And Snow Showers
Slight Chance Rain Showers then Slight Chance Rain And Snow Showers
 
Lo 26 °F Lo 28 °F Lo 43 °F Lo 37 °F Lo 41 °F Lo 42 °F Lo 39 °F  

 

This Afternoon
 
Sunny. High near 56, with temperatures falling to around 49 in the afternoon. Northeast wind around 12 mph, with gusts as high as 18 mph.
Tonight
 
Mostly clear, with a low around 26. Southeast wind 2 to 10 mph, with gusts as high as 16 mph.
Sunday
 
Sunny. High near 50, with temperatures falling to around 45 in the afternoon. Southeast wind around 6 mph.
Sunday Night
 
Mostly clear, with a low around 28. South wind around 3 mph.
Monday
 
Sunny, with a high near 69. Southwest wind around 5 mph.
Monday Night
 
Mostly cloudy, with a low around 43.
Veterans Day
 
Mostly sunny, with a high near 72.
Tuesday Night
 
Mostly clear, with a low around 37.
Wednesday
 
Sunny, with a high near 67.
Wednesday Night
 
Partly cloudy, with a low around 41.
Thursday
 
Sunny, with a high near 72.
Thursday Night
 
Mostly clear, with a low around 42.
Friday
 
Mostly sunny, with a high near 69.
Friday Night
 
A slight chance of rain showers between 11pm and 5am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 39.

 

Forecast from NOAA-NWS for Thornton, CO.